SECTION 4.1
Nature of
Injury or Illness
Index
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
447
NATURE CODE INDEX
2831
2831
3211
A
3221
253
124
5174
521
521
525
52*
521
522
525
526*
5269
5260
523
524
520
5129
5159
5121
5269
524
529
5163
141
148
141
264
221
2811
522
1233
1231
1232
1231
Abacterial meningitis
Abdominal hernia from repeated exertions
Abdominal hernia from single or short term
exertion
Abdominal pain, unspecified
Abnormal blood-gas level
Abnormal blood-lead level
Abnormal electrocardiogram (EKG, ECG),
electroencephalogram (EEG),
electroretinogram (ERG)
Abnormal findings
Abnormal findings from examination of
blood
Abnormal findings from examination of
urine
Abnormal findings from function studies
Abnormal findings from histological and
immunological studies
Abnormal findings from histological and
immunological studies, n.e.c.
Abnormal findings from histological and
immunological studies, unspecified
Abnormal findings from body
substances other than blood and urine
Abnormal findings from radiological and
other examination of body structure
Abnormal findings, unspecified
Abnormal gait
Abnormal heart sounds
Abnormal involuntary movements
Abnormal karyotype
Abnormal mammogram results
Abnormal reflex
Abnormal sputum
Abrasion
Abrasions and bruises of equal severity
Abrasions, scratches
Abscess, breast
Abscess, intracranial or intraspinal
Abscess, skin or subcutaneous tissue
Acetonuria
Achilles tendon tear or rupture—minor or
moderate (grade I or II)
Achilles tendon tear or rupture—unless
specified as minor or moderate (grade I or
II)
ACL tear—minor or moderate (grade I or II)
ACL tear—unless specified as minor or
moderate (grade I or II)
3199
2819
2359
241
2341
195*
2819
2351
2359
2342
241
2422
6212
1731
1732
21
3212
3212
3211
399
1733
1738
1739
1730
2443
1951
1966
2421
349
2455
369
2919
366
1311
1311
1311
1311
1319
131*
Acne
Acne varioliformis
Acquired immune deficiency syndrome
(AIDS)—diagnosed
Actinomycotic infections
Acute abscess of lymph gland or node
Acute and subacute endocarditis
Acute bronchitis and bronchiolitis
Acute cor pulmonale
Acute dermatitis
Acute lymphadenitis
Acute myocarditis
Acute pericarditis
Acute pulmonary artery or vein embolism,
nontraumatic
Acute respiratory infections (including
common cold)
Adenoids—chronic condition
Adjustment disorder
Aero-otitis media
Aero-sinusitis
Agranulocytosis and neutropenia
AIDS-like syndrome
AIDS-related complex (ARC)
AIDS (acquired immune deficiency
syndrome)—diagnosed
Ainhum
Air or gas embolisms due to diving
Air pressure effects, multiple
Air pressure effects, n.e.c.
Air pressure effects, unspecified
Allergic asthma, except due to short-term
exposure
Allergic dermatitis—acute
Allergic reaction, unspecified
Allergic rhinitis
Allescheriosis
Aluminosis
Amebiasis, except dysentery
Amino acid, carbohydrate, and other
nutrient transport disorders
Amoebic dysentery
Amputation, medical, due to traumatic
injury
Amputation, nonfatal, from gunshot wound
Amputations
Amputations of body parts that were
surgically reattached
Amputations, avulsions, and enucleations,
n.e.c.
Amputations, avulsions, enucleations
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
448
NATURE CODE INDEX
1310
1311
1962
21
2349
2372
194
2332
2332
143
111
133
133
1960
196*
35
521
271
229
2239
1999
1232
1231
222
2451
3121
6213
6213
621*
6219
6210
2372
194
2372
194
5149
21
1721
3212
153*
2379
Amputations, avulsions, enucleations,
unspecified
Amputations, partial (regardless of bone
loss)
Anaphylactic shock, anaphylaxis
Anemia and other diseases of the blood and
blood forming organs
Aneurysm of pulmonary artery,
nontraumatic
Aneurysm, aortic, nontraumatic
Aneurysm, aortic, traumatic
Angina
Angina pectoris
Animal bite, nonvenomous, resulting in
contusion or bruise
Animal bite, nonvenomous, resulting in
fracture
Animal bite, nonvenomous, resulting in
puncture wound
Animal bite, unspecified
Animal bite, venomous, reaction unspecified
Animal bite, venomous, specified reaction
(code to reaction)
Anisakiasis
Anisocytosis
Ankylosis of the joint
Anosmia or loss of sense of smell
Anoxic brain damage—nontraumatic
Anoxic brain injury—original injury
unspecified
Anterior cruciate ligament (ACL) tear—
minor or moderate (grade I or II)
Anterior cruciate ligament (ACL) tear—
unless specified as minor or moderate
(grade I or II)
Anterior horn cell disease
Anthracosis
Anthrax
Anxiety or panic disorder
Anxiety over exposure to disease
Anxiety, stress
Anxiety, stress, n.e.c.
Anxiety, stress, unspecified
Aortic aneurysm—nontraumatic
Aortic aneurysm—traumatic
Aortic dissection—nontraumatic
Aortic dissection—traumatic
Aphasia
Aplasia
Apoplexy, heat
ARC (AIDS-related complex)
194
2349
271
271
271
324*
3249
3240
2452
35
519
3221
349
192
1961
191
191
191
191
191
194
191
2839
2443
1963
2449
2449
1963
2454
2443
2443
2451
2443
2454
1963
Arc flash burns
Arterial embolism and thrombosis,
nontraumatic
Arterial hematoma
Arteriovenous fistula of pulmonary vessels
Arthritis
Arthropathies and related disorders
(arthritis)
Arthropathy
Arthropod-borne viral diseases
Arthropod-borne viral diseases, n.e.c.
Arthropod-borne viral diseases, unspecified
Asbestosis
Ascariasis infection
Ascites
Aseptic meningitis
Aspergillosis
Asphyxia--drowning
Asphyxia from gas, fumes, and vapors
Asphyxia from oxygen-deficient
environment (except downing)
Asphyxia, compressional—except when
crushing or internal injuries of the trunk are
specified
Asphyxia, mechanical—except when
crushing or internal injuries of the trunk are
specified
Asphyxia, positional
Asphyxia, traumatic—except when crushing
or internal injuries of the trunk are
specified
Asphyxiation due to crushed chest or
internal injuries of the trunk
Asphyxiations, strangulations, suffocations
Asteatosis cutis
Asthma—allergic, except due to short-term
exposure
Asthma attack—due to short-term exposure
to toxic, noxious, or allergenic substance
Asthma attack—exercise-induced
Asthma attack—no apparent cause
Asthma exacerbation—due to short-term
exposure to toxic, noxious, or allergenic
substance
Asthma—cotton dust
Asthma—crab
Asthma—extrinsic, chronic
Asthma—miner's
Asthma—occupational, unspecified
Asthma—stripper's
Asthmatic reaction—due to short-term
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
449
NATURE CODE INDEX
2494
2832
2379
341
118
1231
1312
1312
1312
111
1312
exposure to toxic, noxious, or allergenic
substance
Atelectasis, collapsed lung
Atheroma
Atherosclerosis
Athlete's foot
Atlanto-occipital subluxation—fatal
Avulsion of joint capsule, ligament, or
tendon (no tissue loss)
Avulsion, ear
Avulsion, enucleation of tissue
Avulsion, eyelid
Avulsion fracture
Avulsion, tooth
429*
4299
4290
420
4211
421*
4210
4219
2456
1233
B
366
118
111
1972
1233
1972
2729
1972
1232
1972
2729
2722
2722
521
31*
310
369
1732
1731
1731
1732
339
4122
2459
195*
196*
1960
399
2249
1733
264
42*
Bacillary dysentery
Back fracture, fatal
Back fracture, nonfatal
Back pain—traumatic
Back pulled
Back spasm, traumatic
Back spasms, nontraumatic
Back that "went out"
Back, twisted
Backache, nonspecified injury
Backache, except lower back—nontraumatic
Backache, lower back—nontraumatic
Backpain, lower back—nontraumatic
Bacteremia, unspecified
Bacterial diseases
Bacterial diseases, unspecified
Balantidiasis
Barosinusitis
Barotitis
Barotrauma, otitic
Barotrauma, sinus
Bartonellosis
Basal cell nonmelanoma skin cancer
Bauxite fibrosis
Bee sting, reaction limited to skin (code to
reaction)
Bee sting, reaction specified (code to
reaction)
Bee sting, reaction unspecified
Behcet's syndrome
Bell's palsy
Bends
Benign mammary dysplasia
Benign neoplasms and tumors
1231
35
522
2735
143
133
133
196*
1960
149
195*
196*
1960
143
2451
269
349
1230
2254
142
3235
142
195*
15*
142
521
Benign neoplasms and tumors of other sites
Benign neoplasms and tumors of other sites,
n.e.c.
Benign neoplasms and tumors of other sites,
unspecified
Benign neoplasms and tumors, unspecified
Benign neoplasms of bone and articular
cartilage
Benign neoplasms of bone, connective
tissue, and skin
Benign neoplasms of bone, connective
tissue, and skin, unspecified
Benign neoplasms of connective and other
soft tissue, n.e.c.
Berylliosis
Bicep tear—minor or moderate (grade I or
II)
Bicep tear—unless specified as minor or
moderate (grade I or II)
Bilharziasis
Biliuria
Birkett's hernia
Bite, animal, nonvenomous, resulting in
bruise
Bite, animal, nonvenomous, resulting in
puncture
Bite, animal, nonvenomous, unspecified
Bite, animal, venomous, reaction specified
(code to reaction)
Bite, animal, venomous, reaction
unspecified
Bite, insect, minor nonvenomous
Bite, insect, venomous, reaction limited to
skin (code to reaction)
Bite, insect, venomous, reaction specified
(code to reaction)
Bite, insect, venomous, reaction unspecified
Black eye
Black lung
Bladder prolapse
Blastomycotic infection
Bleeding in knee joint
Blindness, low vision
Blister—blood
Blister—fever
Blister—friction
Blister—from allergic reaction
Blister—from burn
Blood blister
Blood level abnormal—lead, gas, other
substances
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
450
NATURE CODE INDEX
3197
2372
194
1999
160
185
185
185
189
185
189
189
194
194
194
194
194
180
10
160
160
2819
411
143
111
431
364
2361
419
169
160
1999
160
160
264
419
3319
111
122*
111
1229
111
2449
241
2449
241
2441
2441
Blood poisoning
Blood vessel rupture—nontraumatic
Blood vessel rupture, trunk—traumatic
Blood vessel rupture, upper or lower
extremities—traumatic
Blunt force trauma to head (fatal)
Blunt force trauma to head and abdomen
(fatal)
Blunt force trauma to head and chest (fatal)
Blunt force trauma to head and trunk (fatal)
Blunt force trauma to head and neck (fatal)
Blunt force trauma to head, chest, and
abdomen (fatal)
Blunt force trauma to head, neck, and
abdomen (fatal)
Blunt force trauma to head, neck, and chest
(fatal)
Blunt force trauma to the abdomen (fatal)
Blunt force trauma to the chest (fatal)
Blunt force trauma to the pelvis (fatal)
Blunt force trauma to the trunk or torso
(fatal)
Blunt force trauma to the trunk, abdomen,
chest, or pelvis (fatal)
Blunt force trauma, multiple unspecified
parts (fatal)
Blunt force trauma, no mention of part of
body and not "multiple"
Blunt head injury, unspecified (fatal)
Blunt head trauma, unspecified (fatal)
Boils
Bone cancer
Bone contusion
Bone fracture
Bone or articular cartilage, neoplasm or
tumor of unknown property
Botulism
Brain attack
Brain cancer
Brain contusion
Brain damage, unspecified
Brain injury or damage, anoxic—when
initial injury unspecified
Brain injury, unspecified
Brain trauma
Breast abscess
Breast cancer
Brill-Zinsser disease
Broken bones
Broken cartilage
Broken nose
2431
2454
3122
143
143
143
148
1821
143
3129
2379
149
1211
2899
196*
2259
1973
15*
151*
153*
1591
152*
152*
151*
159*
159*
1591
152*
15*
150
1833
184*
1840
1849
1841
Broken nose, limited to cartilage
Broken tooth
Bronchiectasis
Bronchiolitis—acute
Bronchiolitis—chronic
Bronchitis—acute
Bronchitis—chronic
Bronchitis—not specified as acute or
chronic
Bronchopneumonia
Brown lung
Brucellosis
Bruise
Bruise from nonvenomous animal bite
Bruised bone
Bruises and abrasions of equal severity
Bruises and sprains of equal severity
Bruises, contusions
Bubonic plague
Buerger's disease
Bug bite, nonvenomous
Bulging disc
Bumps on skin
Burning sensation in eye, due to toxic,
noxious, or allergenic substance
Burning sensation in eye, nontraumatic
Burning sensation in eye, unspecified injury
and cause
Burns
Burns—chemical
Burns—electrical
Burns—friction, first degree or degree
unspecified
Burns—heat (thermal)
Burns—internal from hot smoke and gasses
Burns—internal, chemical
Burns—other than chemical, heat, thermal,
or electrical
Burns—radiation
Burns—sun, first degree or degree
unspecified
Burns—thermal
Burns and corrosions
Burns and corrosions, unspecified
Burns and fractures of equal severity
Burns and other injuries, except fractures
Burns and other injuries, except fractures,
unspecified
Burns and other injuries, n.e.c.
Burns and smoke inhalation of equal
severity
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
451
NATURE CODE INDEX
2731
2454
5139
151*
1510
Bursitis
Byssinosis
C
1733
2891
2891
411
414
415
41*
349
35
1961
2811
41*
2359
2359
2331
5159
2359
515*
313
2241
1131
2731
339
1221
1229
122*
1229
1220
3299
2253
2811
222
161
2369
2360
161
2361
236*
2369
2360
339
2252
1511
1512
Caisson disease, bends, diver's palsy
Callosities
Calluses
Cancer of the bone and articular cartilage
Cancer of the esophagus, stomach, liver, or
intestines
Cancer of the lung, larynx, sinuses, or
trachea
Cancers
Candidiasis
Capillariasis
Carbon monoxide poisoning
Carbuncle or furuncle
Carcinomas
Cardiac arrest with no traumatic incident or
exposure
Cardiac dysrhythmia
Cardiac infarction
Cardiac murmur
Cardiomyopathy
Cardiovascular symptoms
Cardiovascular syphilis
Carpal tunnel syndrome—resulting from
cumulative trauma or unspecified
Carpal tunnel syndrome—traumatic
Carpet layer’s knee
Carrion's disease
Cartilage fracture or tear—meniscus in knee
Cartilage fracture or tear—shoulder
Cartilage fractures and tears
Cartilage fractures and tears, n.e.c.
Cartilage fractures and tears, unspecified
Cat scratch disease
Cataracts
Cellulitis
Cerebellar ataxia
Cerebral and other intracranial hemorrhages
Cerebral artery occlusion
Cerebral hemorrhage, nontraumatic
Cerebral hemorrhage, traumatic
Cerebrovascular accident (CVA)
Cerebrovascular disease
Cerebrovascular disease, n.e.c.
Cerebrovascular disease, unspecified
Chagas' disease
Chalazion
1513
1519
1961
5164
1972
3233
392
1719
5119
111
313
191
361
2252
349
2441
2422
2422
244*
2449
2440
231
2894
522
23*
239
230
259
111
160
21
2451
342
342
369
524
3235
241
365
254
2494
Changes of skin texture
Chemical burns and corrosions
Chemical burns and corrosions, degree
unspecified
Chemical burns and corrosions, first degree
Chemical burns and corrosions, second
degree
Chemical burns and corrosions, third degree
Chemical burns, n.e.c
Chemical poisoning
Chest pain, nontraumatic
Chest pain, traumatic
Chickenpox, varicella
Chiggers
Chilblains
Chills
Chipped tooth
Chlamydia, venereal
Choking on food or other substances
Cholera
Chorioretinal inflammation
Chromoblastomycosis
Chronic bronchitis
Chronic conditions of upper respiratory tract
Chronic diseases of tonsils and adenoids
Chronic obstructive pulmonary disease and
allied conditions
Chronic obstructive pulmonary disease and
allied conditions, n.e.c.
Chronic obstructive pulmonary disease and
allied conditions, unspecified
Chronic rheumatic heart disease
Chronic skin ulcers
Chyluria
Circulatory system diseases
Circulatory system diseases, n.e.c.
Circulatory system diseases, unspecified
Cirrhosis of the liver
Closed fracture
Closed head injury, unspecified
Coagulation defects
Coal workers' pneumoconiosis
Coccidioides immitis fungal infection
Coccidioidomycosis
Coccidiosis
Coin lesion of lung
Cold sore
Cold, common
Colitis—infectious or unspecified origin
Colitis—noninfectious
Collapsed lung—nontraumatic
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
452
NATURE CODE INDEX
194
414
111
241
2432
111
191
162
2251
2251
2251
2251
3261
4169
432
1951
1952
1950
143
169
143
143
194
5112
1591
2253
2891
2331
2339
2454
2454
5162
1964
3232
2443
111
1680
1680
1680
160
194
160
1971
194
1311
Collapsed lung—traumatic
Colon cancer
Comminuted fracture
Common cold
Common influenza
Compound fracture
Compressional asphyxia
Concussion
Conjunctivitis—acute
Conjunctivitis—chemical
Conjunctivitis—nonspecific
Conjunctivitis—nonviral
Conjunctivitis—viral
Connective and other soft tissue cancer
Connective and other soft tissue neoplasms
and tumors of unknown properties
Contact dermatitis—allergic
Contact dermatitis—irritant
Contact dermatitis, unspecified
Contusion—bone
Contusion—brain
Contusion—except brain or internal organ
Contusion—from nonvenomous animal bite
Contusion—internal organ of the trunk
Convulsions, seizures—nontraumatic
Corneal flash burn, welder's flash—first
degree or degree unspecified
Corneal ulcer
Corns and calluses
Coronary (artery) embolism, occlusion,
rupture, or thrombosis
Coronary atherosclerosis
Cotton dust asthma
Cotton mill fever
Cough with hemorrhage
Coughing and throat irritation due to
poisoning, toxic, noxious, or allergenic
effects
Cowpox and paravaccinia
Crab asthma
Cracked bones
Craniocerebral injury
Craniocerebral trauma
Craniocerebral trauma, unspecified
Crushed head
Crushing asphyxia
Crushing head injury
Crushing injury—except internal organs or
head
Crushing injury—involving internal organs
Crushing injury—resulting in amputation
160
194
349
522
2241
1131
2741
132
181
181
1822
132
2361
5132
2736
2819
2832
2919
2736
262
3299
Crushing injury—to the head
Crushing injury—to the trunk, fatal
Cryptococcosis
Crystalluria
CTS (carpal tunnel syndrome)—resulting
from cumulative trauma or unspecified
CTS (carpal tunnel syndrome)—traumatic
Curvature of the spine, acquired
Cuts
Cuts and abrasions or bruises of equal
severity
Cuts and bruises of equal severity
Cuts and sprains, strains, or tears of equal
severity
Cuts, lacerations
CVA (Cerebrovascular accident)
Cyanosis
Cyst, ganglion
Cyst, pilonidal
Cyst, sebaceous
Cystic fibrosis
Cystic tumor
Cystitis
Cytomegalovirus
D
6112
6111
6113
6113
6113
619
6128
6118
612*
6129
6120
6113
6122
61*
610
611*
6110
6119
6121
2261
Damage to artificial eyes
Damage to artificial limbs
Damage to dental devices, dentures
Damage to eyeglasses, contact lenses, glass
eyes
Damage to hearing aid
Damage to medical implants, n.e.c.
Damage to multiple orthopedic devices
Damage to multiple prosthetic devices
Damage to orthopedic devices
Damage to orthopedic devices, n.e.c.
Damage to orthopedic devices, unspecified
Damage to other devices
Damage to pins, rods, plates and screws
Damage to prosthetic and orthopedic
devices
Damage to prosthetic and orthopedic
devices, unspecified
Damage to prosthetic devices and aids
Damage to prosthetic devices and aids,
unspecified
Damage to prosthetic devices, n.e.c.
Damage to replaced joints
Deafness, hearing loss and impairment
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
453
NATURE CODE INDEX
118
1311
1733
3129
222
1312
1729
2919
3242
111
622
2732
1951
1952
2899
195*
1959
1950
1951
1952
1951
1951
1951
1951
1951
282
341
2899
2899
2899
2912
253
124
5179
25*
259
Decapitation—internal
Decapitation—external or unspecified
Decompression sickness or illness
Deerfly fever
Degenerative diseases of the central nervous
system
Degloving
Dehydration from environmental conditions
Dehydration in the absence of an
environmental cause
Dengue
Depressed fracture
Depression or depressive episode
DeQuervain's syndrome, disease, or
tenosynovitis
Dermatitis—allergic
Dermatitis—irritant
Dermatitis—perioral
Dermatitis and reactions affecting the skin—
acute
Dermatitis and reactions affecting the skin—
acute, n.e.c
Dermatitis and reactions affecting the skin—
acute, unspecified
Dermatitis due to contact with adhesives—
allergic
Dermatitis due to contact with alcohols,
caustics, alkalis, acids, detergents, solvents,
oils—irritant
Dermatitis due to contact with animals—
allergic
Dermatitis due to contact with food—
allergic
Dermatitis due to contact with latex—
allergic
Dermatitis due to contact with metal—
allergic
Dermatitis due to contact with rubber—
allergic
Dermatitis resulting from long term
exposure
Dermatophytosis, including athlete's foot
and tinea
Dermatoses
Dermatosis, bullous
Dermatosis, erythematosquamous
Diabetes
Diaphragmatic hernia from repeated
exertions
Diaphragmatic hernia from single or short
term exertion
250
4134
3192
2723
2912
2*
263*
2639
2630
2911
237*
2379
2370
252
251
234*
2349
2340
283*
2839
2830
238*
2389
2380
1212
1212
1212
121*
1219
1210
264
2259
2269
226*
2260
Difficulty swallowing
Digestive system diseases and disorders
Digestive system diseases and disorders,
n.e.c.
Digestive system diseases and disorders,
unspecified
DiGuglielmo's disease
Diptheria, whooping cough
Disc disorders, except dislocation
Diseases and disorder of other endocrine
glands
Diseases and disorders of body system
Diseases and disorders of the genital tract
Diseases and disorders of the genital tract,
n.e.c.
Diseases and disorders of the genital tract,
unspecified
Diseases and disorders of the thyroid gland
Diseases of arteries, arterioles, capillaries
Diseases of arteries, arterioles, capillaries,
n.e.c.
Diseases of arteries, arterioles, capillaries,
unspecified
Diseases of esophagus, stomach and
duodenum
Diseases of oral cavity, salivary glands and
jaws
Diseases of pulmonary circulation
Diseases of pulmonary circulation, n.e.c.
Diseases of pulmonary circulation,
unspecified
Diseases of sebaceous glands
Diseases of sebaceous glands, n.e.c.
Diseases of sebaceous glands, unspecified
Diseases of the veins, lymphatics
Diseases of the veins, lymphatics, n.e.c.
Diseases of the veins, lymphatics,
unspecified
Dislocated knee
Dislocated shoulder
Dislocation of joint
Dislocations
Dislocations, n.e.c.
Dislocations, unspecified
Disorders of the breast
Disorders of the choroid
Disorders of the ear, mastoid process, and
hearing, n.e.c.
Disorders of the ear, mastoid process,
hearing
Disorders of the ear, mastoid process,
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
454
NATURE CODE INDEX
225*
2259
2250
2259
2899
2919
2259
2912
2912
224*
2249
2240
28*
280
121*
5139
1733
255
1139
1965
5114
133
1972
272*
2729
2720
35
5131
192
192
1961
252
252
366
5179
5179
282
1724
5131
2492
173*
1739
1730
17*
179
170
hearing, unspecified
Disorders of the eye, adnexa, vision
Disorders of the eye, adnexa, vision, n.e.c.
Disorders of the eye, adnexa, vision,
unspecified
Disorders of the eyelids, lacrimal system
and other parts of the eye
Disorders of the hair and hair follicles
Disorders of the immune system, n.e.c.
Disorders of the iris and ciliary body
Disorders of the pancreas
Disorders of the parathyroid, pituitary,
thymus, and adrenal glands
Disorders of the peripheral nervous system
Disorders of the peripheral nervous system,
n.e.c.
Disorders of the peripheral nervous system,
unspecified
Disorders of the skin and subcutaneous
tissue
Disorders of the skin and subcutaneous
tissue, unspecified
Displacement, partial
Disturbances of skin sensation
Diver's palsy
Diverticula, intestinal
Division of nerve
Dizziness due to poisoning, toxic, noxious,
or allergenic effects
Dizziness —nontraumatic
Dog bite, unspecified injury
Dorsalgia—traumatic
Dorsopathies
Dorsopathies, n.e.c.
Dorsopathies, unspecified
Dracontiasis
Dropsy
Drowning
Drowning with hypothermia
Drug overdose, reaction unspecified
Duodenal ulcer
Duodenitis
Dysentery, all types
Dysphagia
Dysuria
172*
1729
1720
171*
1719
1710
193
153*
1531
1539
1532
1533
1530
525
525
193
525
529
111
133
2379
2389
1992
1733
2342
2442
2499
221
221
221
3243
3229
2359
291*
E
364
5122
143
E. coli food poisoning
Earache
Ecchymosis
2919
Eczema, unless specified to be acute
Edema—heat
Edema—including dropsy
Edema—pulmonary
Effects of air or water pressure
Effects of air or water pressure, n.e.c.
Effects of air or water pressure, unspecified
Effects of environmental conditions
Effects of environmental conditions, n.e.c.
Effects of environmental conditions,
unspecified
Effects of heat and light
Effects of heat and light, n.e.c.
Effects of heat and light, unspecified
Effects of reduced temperature
Effects of reduced temperature, n.e.c
Effects of reduced temperature, unspecified
Electric shock
Electrical burns
Electrical burns, first degree
Electrical burns, n.e.c
Electrical burns, second degree
Electrical burns, third degree
Electrical burns, unspecified
Electrocardiogram (ECG, EKG), abnormal
results
Electrocardiogram (EEG), abnormal results
Electrocution, electric shock
Electroretinogram (ERG), abnormal results
Elevated blood pressure without diagnosis
of hypertension
Elevated fracture
Embedded foreign body—except gunshot
Embolism in artery—nontraumatic
Embolism of veins—nontraumatic
Embolism, air or fat—traumatic
complication, initial injury unknown
Embolism, air or gas—due to diving
Embolism, pulmonary—nontraumatic
Emphysema
Empyema
Encephalitis—bacterial
Encephalitis—due to long-term chemical
exposure
Encephalitis—fungal or other organisms
Encephalitis—viral, arthropod-borne
Encephalitis—viral, except arthropod-borne
Endocarditis—acute and subacute
Endocrine, nutritional, metabolic and
immunity disorders
Endocrine, nutritional, metabolic and
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
455
NATURE CODE INDEX
2910
5153
369
254
35
1312
1312
17*
170
2734
2734
2231
5149
3199
1719
4134
364
253
124
232
21
5119
2449
7
7
7
7
1311
2444
1312
2259
2259
2250
5123
1312
2444
1992
118
118
194
immunity disorders, n.e.c.
Endocrine, nutritional, metabolic and
immunity disorders, unspecified
Enlargement of lymph nodes
Enteritis, infectious
Enteritis, noninfectious
Enterobiasis
Enucleation
Enucleation of the eye
Environmental conditions, effects of
Environmental conditions, effects of,
unspecified
Epicondylitis
Epicondylitis—medial or lateral
Epilepsy
Epistaxis
Erysipelas
Erythema pernio
Erythremic myelosis
Escherichia coli (E. coli)
Esophageal hernia from repeated exertions
Esophageal hernia from single or short term
exertion
Essential hypertension
Evan's syndrome
Excessive sweating
Exercise-induced asthma
Exposure to chickenpox without incurring
disease
Exposure to disease—no illness incurred
Exposure to HIV/AIDS without incurring
disease
Exposure to tuberculosis with negative TB
test results
External or unspecified decapitation
Extrinsic allergic alveolitis and
hypersensitivity pneumonitis
Eye enucleation
Eye injury from exposure to lasers
Eye irritation, unspecified—nontraumatic
Eye redness—nontraumatic
Eye strain
Eyelid avulsion
118
194
1681
1723
4212
124
253
3235
42*
42*
35
1312
196*
1960
1591
1511
1531
1591
1521
1591
111
194
1591
3319
393
2432
2433
2433
35
5133
2899
364
364
364
F
5111
5111
1722
1961
363
Fainting—non-heat related or unspecified,
except heat or chemical related
Fainting—nontraumatic
Fainting, heat related
Fainting, due to chemical exposure
364
35
360
3294
Farmer's lung
Fat embolism, traumatic
Fatal atlanto-occipital subluxation
Fatal back fracture
Fatal crushing injury to trunk—abdomen,
chest or pelvis
Fatal neck fracture
Fatal rib fracture
Fatal skull fracture
Fatigue, heat
Fatty tumor, benign
Femoral hernia (from single or short term
exertion)
Femoral hernia from repeated exertions
Fever blister
Fibromas
Fibromatoses
Filarial infection
Fingernail avulsion
Fire ant bite, reaction specified (code to
reaction)
Fire ant bite, reaction unspecified
First degree burn (excluding heat, thermal,
chemical, electrical)
First degree chemical burn and corrosion
First degree electrical burn
First degree friction burn
First degree heat (thermal) burn
First degree sunburn
Fissured fracture
Fistula, traumatic (trunk)
Flash burn—eye (welder's flash), first
degree or degree unspecified
Flea-borne typhus
Flea infestation
Flu—common influenza
Flu—H1N1 influenza
Flu—novel influenza
Fluke
Flushing and pallor
Folliculitis
Food poisoning—botulism
Food poisoning—E. coli
Food poisoning—other bacterial types
(excludes Salmonella)
Food poisoning—Salmonella, except typhi
or paratyphi
Food poisoning—staphylococcal bacteria
Food poisoning—trichinosis
Food poisoning—unspecified
Foot and mouth disease
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
456
NATURE CODE INDEX
141
133
134
1973
1973
1973
133
1973
1973
3141
111
2749
2749
111
111
122*
1229
1681
1681
111
111
1832
1831
1833
1834
183*
1839
1830
1839
5173
142
1591
1711
2811
369
252
511*
5119
5110
3235
26*
269
Foreign body—abrasion
Foreign body—embedded
Foreign body—gunshot wound
Foreign body—inflammation from
Foreign body—irritation from
Foreign body—no injury mentioned
Foreign body—splinters
Foreign body—swelling from
Foreign body in eye—no specified injury
Fort Bragg fever
Fracture from animal bite
Fracture, pathological
Fracture, spontaneous
Fracture, unspecified
Fractured bone
Fractured cartilage
Fractured cartilage of the nose (without bone
fracture)
Fractured skull—fatal
Fractured skull with intracranial injury—
fatal or nonfatal
Fractured skull with no mention of
intracranial injury—nonfatal
Fractured tooth
Fractures (except rib, trunk fractures) and
internal injuries of equal severity
Fractures (except skull fractures) and
concussions of equal severity
Fractures and burns of equal severity
Fractures and dislocations of equal severity
Fractures and other injuries of equal severity
Fractures and other injuries of equal
severity, n.e.c.
Fractures and other injuries of equal
severity, unspecified
Fractures and sprains of equal severity
Frequency of urination
Friction blister
Friction burn, first degree or degree
unspecified
Frostbite
Furuncle
260
3237
369
3129
2255
2911
2734
313
2379
2919
2919
1232
1233
1231
111
43*
134
1311
112*
H
2433
5119
2730
160
160
1965
5141
2261
G
2736
2736
5152
1733
252
252
Gastroenteritis, infectious
Gastrojejunal ulcer
General symptoms
General symptoms, n.e.c.
General symptoms, unspecified
Genital herpes
Genitourinary system diseases and disorders
Genitourinary system diseases and
disorders, n.e.c.
Genitourinary system diseases and
disorders, unspecified
German measles
Giardiasis
Glanders
Glaucoma
Goiter, toxic and nontoxic
Golfer's elbow
Gonorrhea
Goodpasture's syndrome
Gout
Gouty arthropathy
Grade I or II sprain
Grade I or II strain
Grade III sprain or strain
Greenstick fracture
Growth, new growth, unspecified
Gunshot wound (see descriptions for
exceptions)
Gunshot wounds resulting in nonfatal
amputation
Gunshot wounds resulting in nonfatal
severed spine or paralysis
Ganglion cyst
Ganglion or cystic tumor
Gangrene
Gas embolism due to diving
Gastric ulcer
Gastritis
2261
2331
233*
2353
2352
H1N1 influenza
Hallucinations
Hand-arm vibration syndrome
Head injury, blunt, unspecified
Head trauma, unspecified
Headache due to poisoning, toxic, noxious,
or allergenic effects
Headache, except migraine, nontraumatic
Hearing loss and impairment, traumatic or
nontraumatic
Hearing loss from sudden or repeated noise
Heart attack
Heart disease—ischemic
Heart disease, ill-defined descriptions and
complications
Heart failure
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
457
NATURE CODE INDEX
5159
5159
5151
5172
1521
1529
152*
1522
1523
1520
172*
1721
1724
1725
1723
1725
1721
2893
1721
1722
2739
4134
35
4291
1230
1230
143
194
522
5162
2360
161
21
3244
2361
2382
3251
3252
256
3251
3252
3253
3254
3250
519
253
124
124
253
124
Heart murmur
Heart sounds—abnormal
Heartbeat rapid, unspecified
Heartburn
Heat (thermal) burns, first degree
Heat (thermal) burns, n.e.c
Heat (thermal) burns, scalds
Heat (thermal) burns, second degree
Heat (thermal) burns, third degree
Heat (thermal) burns, unspecified
Heat and light effects
Heat apoplexy
Heat edema
Heat exhaustion, prostration
Heat fatigue
Heat prostration
Heat pyrexia
Heat rash
Heat stroke
Heat syncope
Heel spurs
Heilmeyer-Schoner disease
Helminthiases (worm infections)
Hemangioma and lymphangioma, any site
Hemarthrosis in knee joint
Hemarthrosis of joint capsule, ligament,
muscle or tendon
Hematoma
Hematoma, arterial
Hemoglobinuria
Hemoptysis (cough with hemorrhage)
Hemorrhage, cerebral, nontraumatic
Hemorrhage, cerebral, traumatic
Hemorrhagic conditions—other
Hemorrhagic fever
Hemorrhagic stroke
Hemorrhoids
Hepatitis, infectious (type A)
Hepatitis, serum (type B)
Hepatitis, toxic, noninfective, due to toxic
agents
Hepatitis, viral, type A
Hepatitis, viral, type B
Hepatitis, viral, type C
Hepatitis, viral, type E
Hepatitis, viral, type unspecified
Hepatomegaly
Hernia from repeated exertions
Hernia from single or short term exertion
Hernia from unspecified exertion
Hernia, abdominal, from repeated exertions
2735
253
124
253
124
253
124
253
124
253
124
253
253
124
253
124
253
124
253
124
2735
253
124
124
253
124
124
2239
1211
3235
3234
3235
3235
Hernia, abdominal, from single or short term
exertion
Hernia, Birkett's
Hernia, diaphragmatic, from repeated
exertions
Hernia, diaphragmatic, from single or short
term exertion
Hernia, esophageal, from repeated exertions
Hernia, esophageal, from single or short
term exertion
Hernia, femoral, from repeated exertions
Hernia, femoral, from single or short term
exertion
Hernia, hiatal, from repeated exertions
Hernia, hiatal, from single or short term
exertion
Hernia, inguinal, from repeated exertions
Hernia, inguinal, from single or short term
exertion
Hernia, nontraumatic
Hernia, paraesophageal, from repeated
exertions
Hernia, paraesophageal, from single or short
term exertion
Hernia, ruptured, from repeated exertions
Hernia, ruptured, from single or short term
exertion
Hernia, scrotal, from repeated exertions
Hernia, scrotal, from single or short term
exertion
Hernia, strangulated, from repeated
exertions
Hernia, strangulated, from single or short
term exertion
Hernia, synovial
Hernia, umbilical, from repeated exertions
Hernia, umbilical, from single or short term
exertion
Hernia, unspecified
Hernia, ventral, from repeated exertions
Hernia, ventral, from single or short term
exertion
Hernias due to traumatic incidents, from
single or short term exertion, or
unspecified
Herniated brain, nontraumatic
Herniated disc
Herpes simplex
Herpes zoster, shingles
Herpes, genital
Herpes, oral
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
458
NATURE CODE INDEX
124
253
393
43*
349
3219
1953
4132
195*
196*
1960
2731
321*
3219
3210
2491
1972
1972
262
1232
5119
232
232
232
232
1721
1720
5161
143
2389
192
1712
399
2749
281*
Hiatal hernia (from single or short term
exertion)
Hiatal hernia from repeated exertions
Hirudiniasis
Histiocytic cells
Histoplasmosis
HIV infection without the diagnosis of
AIDS or ARC
Hives, urticaria—acute
Hodgkin's disease
Hornet sting, reaction limited to skin
Hornet sting, reaction specified (code to
reaction)
Hornet sting, reaction unspecified
Housemaid’s knee
Human immunodeficiency virus (HIV)
infection
Human immunodeficiency virus (HIV)
infection, n.e.c.
Human immunodeficiency virus (HIV)
infection, unspecified
Humidifier fever
Hurt back
Hurt, nonspecified injury, any part
Hydronephrosis
Hyperextension of ligament
Hyperhidrosis
Hypertension, essential
Hypertensive disease
Hypertensive heart disease
Hypertensive renal disease
Hyperthermia—fatal
Hyperthermia—nonfatal
Hyperventilation
Hyphema
Hypotension
Hypothermia with drowning
Hypothermia without drowning
2819
2810
3*
399
30
36*
369
360
369
369
3251
3293
2631
195*
1966
2252
1973
5115
2242
221
2432
2433
2433
2892
253
124
I
1721
254
2353
2919
111
133
2812
2331
13*
191
Ictus solaris, ictus solis
Ileitis
Ill-defined descriptions and complications of
heart disease
Immune disorders, n.e.c.
Impacted fracture
Impaled, impaling wounds
Impetigo
Infarction of heart, myocardium or ventricle
Infected cut (code to original injury)
149
195*
196*
1960
15*
118
1212
Infection by protozoa
Infections involving bone
Infections of the skin and subcutaneous
tissue, excluding infected wounds
Infections of the skin and subcutaneous
tissue, excluding infected wounds, n.e.c.
Infections of the skin and subcutaneous
tissue, excluding infected wounds,
unspecified
Infectious and parasitic diseases
Infectious and parasitic diseases, other,
n.e.c.
Infectious and parasitic diseases, unspecified
Infectious diseases peculiar to the intestines
Infectious diseases peculiar to the intestines,
n.e.c.
Infectious diseases peculiar to the intestines,
unspecified
Infectious enteritis
Infectious gastroenteritis
Infectious hepatitis (type A)
Infectious mononucleosis
Infertility
Inflammation associated with dermatitis
Inflammation due to allergic reaction
Inflammation of eye except conjunctivitis—
nontraumatic
Inflammation, nonspecified injury
Inflammation, swelling, general—
nontraumatic
Inflammatory and toxic neuropathy
Inflammatory diseases of the central nervous
system
Influenza, common
Influenza, H1N1
Influenza, novel strain
Ingrown nails and other nail diseases
Inguinal hernia, from repeated exertions
Inguinal hernia, from single or short term
exertion
Inhaling or choking on food or other
substances
Insect bite—nonvenomous
Insect bite—venomous, reaction limited to
skin
Insect bite—venomous, reaction other than
to skin
Insect bite—venomous, unspecified reaction
Internal burn
Internal decapitation
Internal derangement—traumatic
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
459
NATURE CODE INDEX
194
2723
1211
1211
255
35
161
16*
185
169
160
1681
2252
1952
196*
1973
2259
1963
5160
1964
5149
196*
195*
1973
233*
2330
2339
2361
Internal injuries to organs and blood vessels
of the trunk
Intervertebral disc disorders, except
dislocation
Intervertebral disc herniation
Intervertebral disc rupture
Intestinal diverticula and abscess
Intestinal parasites
Intracranial hemorrhage
Intracranial injuries
Intracranial injuries and injuries to internal
organs of equal severity
Intracranial injuries, n.e.c
Intracranial injuries, unspecified
Intracranial injury with skull fracture
Iritis
Irritant dermatitis
Irritated eye due to short-term exposure to
toxic, noxious, or allergenic substance
Irritated eye from foreign body—condition
unspecified
Irritated eye, nontraumatic
Irritated lung due to short-term exposure to
toxic, noxious, or allergenic substance
Irritated lungs, n.e.c.
Irritated throat due to short-term exposure to
toxic, noxious, or allergenic substance
Irritated throat, unless due to short term
exposure to toxic, noxious, or allergenic
substance
Irritation associated with short-term
exposure to toxic, noxious, or allergenic
substance, except those limited to skin
Irritation of skin associated with short-term
exposure to toxic, noxious, or allergenic
substance
Irritation, nonspecified injury
Ischemic heart disease, including heart
attack
Ischemic heart disease, including heart
attack, unspecified
Ischemic heart disease, n.e.c.
Ischemic stroke
393
6210
111
Jigger disease
Job-related stress, unspecified
Joint fracture
4133
2832
2252
1591
2899
262
1972
2341
K
Kahler's disease
Keratin
Keratitis
Keratoconjunctivitis, ultraviolet
Keratoderma, acquired
Kidney stone
Knee joint "popped"
Kyphoscoliotic heart disease
L
132
194
132
5129
241
2422
1961
393
2433
339
3191
3141
4134
391
12*
1232
172*
1965
153*
193
111
4212
259
119
1722
5111
J
1972
5139
196*
1960
229
2254
5142
3319
1972
Jammed finger or thumb
Jaundice, unspecified
Jelly fish sting, reaction specified (code to
reaction)
Jelly fish sting, reaction unspecified
Laceration—open wound
Laceration of internal organs without open
wound
Laceration of tendon in open wound
Lack of coordination
Laryngitis—acute
Laryngitis—chronic
Lead poisoning
Leeches, leech infestation
Legionnaire's disease
Leishmaniasis
Leprosy
Leptospirosis
Leukemia
Lice infestation
Ligament injuries, traumatic
Ligament rupture
Light and heat effects
Lightheadedness due to poisoning, toxic,
noxious, or allergenic effects
Lightning burns
Lightning shock
Linear fracture
Lipoma (fatty tumor) —benign
Liver failure, cirrhosis
Loose tooth, did not fall out
Loss of consciousness, heat related
Loss of consciousness, not heat related or
unspecified, except heat or chemical
related
Loss of sense of smell
Loss of vision, traumatic or nontraumatic
Loss of voice, voice disturbances
Louse-borne typhus
Low back pain
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
460
NATURE CODE INDEX
2722
529
2254
2722
415
524
1963
524
333
2819
4291
238*
4134
4131
4131
415
Low back pain, except traumatic
Low blood pressure reading
Low vision, blindness
Lumbago
Lung cancer
Lung coin lesion
Lung irritation due to poisoning, toxic,
noxious or allergenic effects
Lung shadow
Lyme disease
Lymphadenitis—acute
Lymphangioma, any site
Lymphatic diseases
Lymphoid leukemia
Lymphoma
Lymphosarcoma and reticulosarcoma
(lymphoma)
412*
411
412*
524
111
43*
264
2269
1231
3236
3237
191
1231
M
393
1231
5113
332
41*
410
411
413*
4139
4130
419
412*
412*
4120
414
416*
4169
Maggot infestation
Major tears to muscles, tendons, or
ligaments
Malaise and fatigue
Malaria
Malignant neoplasms and tumors (cancers,
carcinomas, sarcomas)
Malignant neoplasms and tumors (cancers,
carcinomas, sarcomas), unspecified
Malignant neoplasms and tumors of bone
and articular cartilage
Malignant neoplasms and tumors of
lymphatic and hematopoietic tissue
Malignant neoplasms and tumors of
lymphatic and hematopoietic tissue, n.e.c.
Malignant neoplasms and tumors of
lymphatic and hematopoietic tissue,
unspecified
Malignant neoplasms and tumors of other
sites
Malignant neoplasms and tumors of
sebaceous glands
Malignant neoplasms and tumors of the skin
Malignant neoplasms and tumors of the
skin, unspecified
Malignant neoplasms of digestive organs
(esophagus, stomach, liver, intestines)
Malignant neoplasms of mesothelial and soft
tissue
Malignant neoplasms of mesothelial and soft
tissue, n.e.c.
1311
4121
4121
5129
3221
3141
221
3221
3221
221
221
3221
3195
1221
1229
629
62*
629
620
4161
2459
3194
2813
2232
2893
Malignant neoplasms of respiratory and
intrathoracic (larynx, lung, sinuses,
trachea)
Malignant neoplasms of sweat glands
Malignant neoplasms of the periosteum
(bone covering)
Malignant neoplasms of the sudoriferous
and sudoriparous glands
Mammogram, abnormal results
March fracture
Mast cells
Mastitis of the breast
Mastoiditis
MCL tear, unless specified as minor or
moderate (grade I or II)
Measles, except German (Rubella)
Measles, German (Rubella)
Mechanical asphyxia
Medial collateral ligament (MCL) tear,
unless specified as minor or moderate
(grade I or II)
Medical amputation due to traumatic injury
Melanocarcinoma
Melanoma of the skin (melanocarcinoma)
Meningismus
Meningitis due to enterovirus
Meningitis due to leptospira
Meningitis due to long-term exposure to
toxic chemicals
Meningitis, abacterial
Meningitis, aseptic
Meningitis, bacterial
Meningitis, fungal
Meningitis, viral—except arthropod-borne
Meningococcal infection
Meniscus tear in knee, unless specified as
minor or moderate (grade I or II)
Meniscus tear in shoulder
Mental disorder, substance-induced
Mental disorders and syndromes
Mental disorders and syndromes, n.e.c.
Mental disorders and syndromes,
unspecified
Mesothelioma
Metal fume fever
Methicillin-resistant infection, other than
skin
Methicillin-resistant staphylococcus aureus
(MRSA) infection (skin)
Migraine
Miliaria rubra
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
461
NATURE CODE INDEX
3299
2454
2919
2451
2362
149
1232
1233
2632
392
2454
4134
2249
3293
149
1966
2813
528
4298
4218
8
1738
178
1728
1718
5118
194
185
194
4138
4128
4133
438
1978
1968
2239
2738
5158
5178
5148
518
5128
Miliary fever
Mill fever
Mineral deficiency
Miner's asthma
Mini-stroke
Minor nonvenomous insect bite
Minor tear to ligament
Minor tears to muscles and tendons
Miscarriage, spontaneous abortion
Mites (acariasis)
Monday fever
Monocytic leukemia
Mononeuritis of the extremities
Mononucleosis, infectious
Mosquito bite, unless allergic reaction
Mosquito bite, unspecified allergic reaction
MRSA (methicillin-resistant staphylococcus
aureus) infection
Multiple abnormal findings
Multiple benign neoplasms and tumors of
other sites
Multiple benign neoplasms of bone,
connective tissue, and skin
Multiple diseases, conditions and disorders
Multiple effects of air or water pressure
Multiple effects of environmental conditions
Multiple effects of heat and light
Multiple effects of reduced temperature
Multiple general symptoms—nontraumatic
Multiple internal injuries (unless head
mentioned)
Multiple internal injuries involving both
head and trunk
Multiple internal injuries of the trunk
Multiple malignant neoplasms and tumors of
lymphatic and hematopoietic tissue
Multiple malignant neoplasms and tumors of
skin
Multiple myeloma
Multiple neoplasms and tumors of unknown
properties
Multiple nonspecified injuries and disorders
Multiple poisoning, toxic, or allergenic
effects
Multiple sclerosis
Multiple soft tissue disorders
Multiple symptoms involving cardiovascular
system
Multiple symptoms involving digestive and
urinary systems
Multiple symptoms involving head and neck
5168
5138
58
18*
189
180
118
128
1958
1218
1689
168*
1680
138
1238
148
3292
1972
2249
27*
279
270
34*
349
340
349
4134
4133
222
393
2331
2359
2351
522
2739
Multiple symptoms involving multiple sites
Multiple symptoms involving nervous and
musculoskeletal systems
Multiple symptoms involving respiratory
system and chest
Multiple symptoms involving the skin and
other integumentary tissue
Multiple symptoms, signs and ill-defined
conditions
Multiple traumatic injuries and disorders
Multiple traumatic injuries and disorders,
n.e.c.
Multiple traumatic injuries and disorders,
unspecified
Multiple traumatic injuries to bones, nerves,
spinal cord
Multiple traumatic injuries to muscles,
tendons, ligaments, joints, etc.
Multiple types of dermatitis and skin
reactions—acute
Multiple types of dislocations
Multiple types of intracranial injuries, n.e.c
Multiple types of intracranial injury
Multiple types of intracranial injury,
unspecified
Multiple types of open wounds
Multiple types of sprains, strains, tears
Multiple types of surface wounds and
bruises
Mumps
Muscle spasm, traumatic
Muscular dystrophies
Musculoskeletal system and connective
tissue diseases and disorders
Musculoskeletal system and connective
tissue diseases and disorders, n.e.c.
Musculoskeletal system and connective
tissue diseases and disorders, unspecified
Mycoses (fungal infection)
Mycoses, n.e.c.
Mycoses, unspecified
Mycotic mycetoma
Myeloid leukemia
Myelomatosis
Myelopathy of the spinal cord
Myiasis
Myocardial infarction (heart attack)
Myocarditis, nontoxic
Myocarditis, toxic or acute
Myoglobinuria
Myositis
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
462
NATURE CODE INDEX
6210
21
4132
322*
N
2892
2429
241
2422
5171
1967
35
118
111
133
7
325*
439
43*
430
42*
41*
4*
2611
261*
2610
2613
2612
1131
1131
113*
1130
112*
1120
229
22*
220
224*
2899
43*
313
620*
Nail, ingrown
Nasal polyps
Nasopharyngitis—acute
Nasopharyngitis—chronic
Nausea and vomiting, unspecified cause
Nausea due to poisoning, toxic, noxious, or
allergenic effects
Necatoriasis
Neck fracture, fatal
Neck fracture, nonfatal
Needlestick not resulting in disease—
puncture wound
Needlestick resulting in exposure to
diseases—no illness incurred
Needlestick resulting in hepatitis
Neoplasms and tumors of other sites of
unknown properties, n.e.c.
Neoplasms and tumors of unknown
properties
Neoplasms and tumors of unknown
properties, unspecified
Neoplasms, benign
Neoplasms, malignant
Neoplasms, tumors, cancers
Nephritis
Nephritis, nephrotic syndrome, and
nephrosis
Nephritis, nephrotic syndrome, and
nephrosis, unspecified
Nephrosis
Nephrotic syndrome
Nerve compression, traumatic
Nerve entrapment, traumatic
Nerve injury, except spinal cord—traumatic
Nerve injury, except spinal cord—traumatic,
unspecified
Nerve injury, spinal cord—traumatic
Nerve injury, spinal cord—traumatic,
unspecified
Nervous system and sense organ diseases,
n.e.c.
Nervous system and sense organs diseases
Nervous system and sense organs diseases
unspecified
Nervous system disorders—peripheral
Neurodermatitis
Neurofibromatosis
Neurosyphilis
Neurotic disorders, stress, anxiety
3229
3220
9999
131*
194
2389
254
256
4122
197*
1979
2911
2359
2339
2360
143
133
111
2251
369
369
5149
5116
1974
2919
Neurotic reaction to stress
Neutropenia
Nodular sclerosis
Nonarthropod-borne viral diseases of the
central nervous system
Nonarthropod-borne viral diseases of the
central nervous system, n.e.c.
Nonarthropod-borne viral diseases of the
central nervous system, unspecified
Nonclassifiable
Nonfatal amputations
Nonfatal crushing injury to trunk—abdomen
chest or pelvis
Noninfectious disorders of lymphatic
channels
Noninfectious enteritis and colitis (including
ileitis)
Noninfective toxic hepatitis
Nonmelanoma skin cancer (squamous and
basal cell)
Nonspecified injuries and disorders
Nonspecified injuries and disorders, n.e.c
Nontoxic goiter
Nontoxic myocarditis
Nontraumatic aneurysm of heart wall or
coronary vessel
Nontraumatic cerebral hemorrhage
Nonvenomous animal bite resulting in
contusion or bruise
Nonvenomous animal bite resulting in
puncture wound
Nonvenomous animal bite with fractured
bone
Nonviral conjunctivitis
Norovirus
Norwalk-like virus
Nosebleed
Numbness, general, unexplained—
nontraumatic
Numbness, nonspecified injury
Nutrient transport disorder
O
2369
2443
1950
5179
111
13*
139
Occlusion of cerebral arteries
Occupational asthma, unspecified
Occupational dermatitis, nonspecified type
Oliguria and anuria
Open fracture
Open wounds
Open wounds, n.e.c.
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
463
NATURE CODE INDEX
130
2252
3261
629
629
3123
339
612*
5169
2749
274*
2749
2740
2269
529
33*
339
330
319*
3199
3190
364
159*
1590
1591
1599
1592
1593
289*
2899
2890
329*
3299
3290
255
242*
2420
2429
262
69
Open wounds, unspecified
Ophthalmia—nonviral
Ophthalmia—viral conjunctivitis
Organic affective syndrome
Organic mental disorders—neurotic or
psychotic
Ornithosis
Oroya fever
Orthopedic devices, damage to
Orthopnea
Osteomyelitis
Osteopathies, chondropathies, and acquired
deformities
Osteopathies, chondropathies, and acquired
deformities, n.e.c.
Osteopathies, chondropathies, and acquired
deformities, unspecified
Otalgia
Other abnormal findings
Other arthropod-borne diseases
Other arthropod-borne diseases, n.e.c.
Other arthropod-borne diseases, unspecified
Other bacterial diseases
Other bacterial diseases, n.e.c.
Other bacterial diseases, unspecified
Other bacterial food poisoning (including
botulism and staphylococcal food
poisoning)
Other burns
Other burns, degree unspecified
Other burns, first degree
Other burns, n.e.c
Other burns, second degree
Other burns, third degree
Other diseases and disorders of the skin and
subcutaneous tissue
Other diseases and disorders of the skin and
subcutaneous tissue, n.e.c.
Other diseases and disorders of the skin and
subcutaneous tissue, unspecified
Other diseases due to viruses
Other diseases due to viruses, n.e.c.
Other diseases due to viruses, unspecified
Other diseases of intestines and peritoneum
Other diseases of upper respiratory tract
Other diseases of upper respiratory tract
unspecified
Other diseases of upper respiratory tract,
n.e.c.
Other diseases of urinary system
Other diseases, conditions and disorders,
6*
60
223*
2239
2230
2893
235*
2359
2350
39*
399
390
393
1966
2815
2735
1969
196*
1960
249*
2499
2490
1963
314*
3149
3140
2814
519
29*
299
290
2733
19*
199*
190
n.e.c.
Other diseases, conditions, and disorders
Other diseases, conditions, and disorders,
unspecified
Other disorders of the central nervous
system
Other disorders of the central nervous
system, n.e.c.
Other disorders of the central nervous
system, unspecified
Other disorders of the sweat glands
Other forms of heart disease
Other forms of heart disease, n.e.c.
Other forms of heart disease, unspecified
Other infectious and parasitic diseases
Other infectious and parasitic diseases, n.e.c.
Other infectious and parasitic diseases,
unspecified
Other infestations (including maggots,
leeches, jigger disease)
Other or unspecified allergic reactions
Other or unspecified streptococcus skin
infection
Other or unspecified tendonitis (tendinitis)
Other poisoning, toxic or allergenic effects,
n.e.c
Other poisoning, toxic, noxious, or
allergenic effects
Other poisoning, toxic, noxious, or
allergenic effects, unspecified
Other respiratory system diseases
Other respiratory system diseases, n.e.c.
Other respiratory system diseases,
unspecified
Other respiratory system symptoms due to
poisoning, toxic, noxious, or allergenic
effects
Other spirochetal diseases
Other spirochetal diseases, n.e.c.
Other spirochetal diseases, unspecified
Other staphylococcus skin infection
Other symptoms, n.e.c.
Other systemic diseases and disorders
Other systemic diseases and disorders, n.e.c.
Other systemic diseases and disorders,
unspecified
Other tenosynovitis, synovitis
Other traumatic injuries and disorders
Other traumatic injuries and disorders
Other traumatic injuries and disorders,
unspecified
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
464
NATURE CODE INDEX
1731
2269
2269
2269
191
2912
1719
3192
241
2422
221
Otitic barotrauma
Otitis externa
Otitis media
Otosclerosis
Oxygen deficiency resulting in asphyxia
Ovarian dysfunction
2383
2819
2729
P
1972
1972
5133
5159
2249
1733
259
21
6213
349
124
253
2899
16*
1121
21
16*
1121
3*
35
362
3232
222
3123
1311
121*
1961
5111
1722
2749
391
252
2359
2899
2749
224*
239
5179
255
2429
Pain, hurt, soreness—traumatic
Pain, nonspecified injury, any part
Pallor and flushing
Palpitations
Palsy, Bell's
Palsy, diver's
Pancreatitis
Pancytopenia
Panic disorder
Paracoccidioidomycosis
Paraesophageal hernia (from single or short
term exertion)
Paraesophageal hernia from repeated
exertions
Parakeratosis
Paralysis from brain injury
Paralysis, except due to known brain injury
Paralytic (toxic) anemia
Paraplegia from brain injury
Paraplegia, except due to known brain injury
Parasitic and infectious diseases
Parasitic worm infections
Paratyphoid fever
Paravaccinia
Parkinson's disease
Parrot fever
Partial amputation (regardless of bone loss)
Partial displacement
Passed out—due to chemical exposure
Passed out—except heat or chemical related
Passed out—heat related
Pathological fracture
Pediculosis and phthirus infestation (lice)
Peptic ulcer
Pericarditis, acute
Perioral dermatitis
Periostitis
Peripheral nervous system disorders
Peripheral venous insufficiency, n.e.c.
Peristalsis
Peritonitis
Peritonsillar abscess
1131
1129
1211
2241
1131
1131
3149
2899
3129
3129
3129
2739
2739
2499
245*
2458
2459
2450
399
2431
2431
2431
243*
2430
3129
2491
240
2499
521
1951
1951
1951
1961
364
364
Perniosis
Pertussis
Pharyngitis, acute
Pharyngitis, chronic
Phlebitis of intracranial or intraspinal
venous sinuses
Phlebitis, thrombosis
Pilonidal cyst
Pinched nerve in neck or cervical
vertebrae—nontraumatic
Pinched nerve in neck or cervical
vertebrae—traumatic
Pinched nerve of spinal cord without
herniated or ruptured disc
Pinched nerve resulting from herniated disc
Pinched nerve, carpal tunnel syndrome—
nontraumatic
Pinched nerve, carpal tunnel syndrome—
traumatic
Pinched nerve, excluding spinal cord,
dislocation, herniated disc, or repeated
trauma
Pinta
Pityriasis
Plague
Plague, bubonic
Plague, pneumonic
Plantar fasciitis
Plantar fibromatosis
Pleurisy
Pneumoconioses
Pneumoconiosis with tuberculosis
Pneumoconiosis, n.e.c.
Pneumoconiosis, unspecified
Pneumocystosis
Pneumonia
Pneumonia due to unspecified organisms
Pneumonia due to viral or bacterial agents
Pneumonia, influenza
Pneumonia, influenza, unspecified
Pneumonic plague
Pneumonitis, n.e.c.
Pneumonopathy
Pneumothorax, spontaneous
Poikilocytosis
Poison ivy
Poison oak
Poison sumac
Poisoning, carbon monoxide
Poisoning, food—E. coli
Poisoning, food—other bacterial (excludes
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
465
NATURE CODE INDEX
363
364
35
360
1961
1961
1961
3229
271
21
5173
1972
191
5269
5261
6211
2731
2893
2341
311
2332
611*
1725
399
2899
3123
2899
399
1233
1232
1233
1230
2492
2342
2493
2341
311
133
133
133
21
2819
1721
Salmonella)
Poisoning, food—Salmonella, except typhi
or paratyphi
Poisoning, food—staphylococcal
Poisoning, food—trichinosis
Poisoning, food—unspecified
Poisoning, including poisoning related
asphyxia
Poisoning, lead
Poisoning, radiation
Poliomyelitis, acute
Polyarthritis
Polycythemia
Polyuria
Popped knee joint
Positional asphyxia with no crushing or
internal injuries specified
Positive culture findings
Positive reaction to tuberculin skin test,
without a diagnosis of TB
Post-traumatic stress disorder
Prepatellar bursitis
Prickly heat, heat rash, and other disorders
of the sweat glands
Primary pulmonary hypertension
Primary tuberculous infection (diagnosed)
Prinzmetal angina
Prosthetic devices, damage to
Prostration, heat
Protozoa infection
Pruritus and related conditions
Psittacosis
Psoriasis and similar disorders
Psorospermiasis
Pulled back, unspecified
Pulls to ligaments
Pulls to muscles and tendons
Pulls, unspecified
Pulmonary edema
Pulmonary embolism
Pulmonary fibrosis, n.e.c.
Pulmonary heart disease
Pulmonary tuberculosis (diagnosed)
Puncture wound from nonvenomous animal
bite
Puncture wound resulting from splinter
Puncture wounds, except gunshot wounds
Purpura and other hemorrhagic conditions
Pyoderma
Pyrexia, heat
Q
3311
1121
16*
21
Q fever
Quadriplegia, except due to known brain
injury
Quadriplegia, from brain injury
Qualitative platelet defects
R
3129
3291
159*
1961
5269
5151
1950
3129
196*
1960
2371
1969
2250
171*
339
5179
262
2730
241
516*
24*
240
4131
4131
2259
222
231
231
2729
2739
2421
349
1951
194
111
331*
3319
3310
341
Rabbit fever
Rabies
Radiation burns
Radiation sickness or poisoning
Raised level of immunoglobulin
Rapid heart beat
Rash, unspecified
Rat-bite fever
Rattlesnake bite, reaction specified (code to
reaction)
Rattlesnake bite, reaction unspecified
Raynaud's syndrome or phenomenon
Reactions to injections, unspecified—
traumatic
Redness of eye
Reduced temperature effects
Relapsing fever
Renal colic
Renal failure
Repetitive motion disorders, unspecified
Respiratory infection, acute
Respiratory system and chest symptoms
Respiratory system diseases
Respiratory system diseases, unspecified
Reticulosarcoma
Reticulum cell sarcoma
Retinal detachment—nontraumatic
Reye's syndrome
Rheumatic carditis
Rheumatic fever with heart involvement
Rheumatism affecting the back
Rheumatism, other than the back
Rhinitis, allergic
Rhinosporidiosis
Rhus
Rib fracture, fatal
Rib fracture, nonfatal
Rickettsioses diseases
Rickettsioses diseases, n.e.c.
Rickettsioses diseases, unspecified
Ringworm
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
466
NATURE CODE INDEX
2899
1231
1233
2739
1231
3237
123*
2739
1231
1999
23*
1999
194
1211
1739
133
253
124
1211
1231
1232
1231
1233
3193
35
2721
1131
196*
Rosacea
Rotator cuff rupture, unless specified as
minor or moderate (grade I or II)
Rotator cuff strain, unless specified as major
or severe (grade III)
Rotator cuff syndrome
Rotator cuff tear, unless specified as minor
or moderate (grade I or II)
Rubella (German measles)
Rupture of joint capsule, ligament, muscle
or tendon
Rupture of synovium
Ruptured Achilles tendon, unless specified
as minor or moderate (grade I or II)
Ruptured artery of arm or leg, not resulting
from open wound
Ruptured blood vessels—nontraumatic
Ruptured blood vessels of the extremities—
traumatic
Ruptured blood vessels of the trunk—
traumatic
Ruptured disc
Ruptured eardrum due to air or water
pressure
Ruptured eardrum from piercing by sharp
object
Ruptured hernia from repeated exertions
Ruptured hernia from single or short term
exertion
Ruptured intervertebral disc
Ruptured ligament, major
Ruptured ligament, minor or moderate,
unknown severity
Ruptured tendon or muscle, major
Ruptured tendon or muscle, minor or
moderate, unknown severity
1960
141
141
253
124
3319
196*
1960
2832
283*
1592
1512
1532
1522
1592
1522
2231
16*
5112
1212
3197
3252
1312
1311
1121
112*
1129
S
363
363
362
399
41*
399
392
152*
152*
1312
1311
524
369
3234
1962
193
1991
5169
1963
Salmonella food poisoning, unspecified
Salmonella infection, excluding Salmonella
typhi
Salmonella typhi or paratyphi bacterial
infection
Sarcoidosis
Sarcomas
Sarcosporidiosis
Scabies and other acariases
Scalding burns
Scalds
Scalping injury
1212
1212
510
Scarlatina
Schistosomiasis
Sciatica—nontraumatic
Sciatica—traumatic
Scorpion bite or sting—reaction specified
(code to reaction)
Scorpion bite or sting—reaction unspecified
Scrape
Scratches
Scrotal hernia from repeated exertions
Scrotal hernia from single or short term
exertion
Scrub typhus
Sea nettle sting, reaction specified (code to
reaction)
Sea nettle sting, reaction unspecified
Sebaceous cyst
Sebaceous gland diseases
Second degree burn (excluding heat,
thermal, electrical, chemical)
Second degree chemical burn and corrosion
Second degree electrical burn
Second degree heat (thermal) burn
Second degree sunburn
Second degree thermal burn
Seizure disorder—nontraumatic
Seizure disorder from brain injury
Seizures, convulsions—nontraumatic
Separated shoulder
Septicemia
Serum hepatitis (type B)
Severed ear
Severed finger
Severed spinal cord with paralysis
Severed spinal cord, nonfatal from gunshot
wound
Severed spinal cord, unless paralysis
mentioned
Severed toe
Shadow of lung
Shigellosis, except dysentery
Shingles
Shock—anaphylactic
Shock—electrical, lightning
Shock—traumatic complication
Shortness of breath—nontraumatic
Shortness of breath due to poisoning, toxic,
noxious, or allergenic effects
Shoulder dislocation
Shoulder separation
Sick building syndrome with unspecified
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
467
NATURE CODE INDEX
21
2457
2453
2453
111
1732
241
2422
1721
289*
281*
4122
4121
4122
4120
4213
412*
433
5139
5139
2894
1681
111
1681
5119
339
1211
111
3231
1961
1960
1841
133
196*
196*
1960
273*
2739
2730
symptoms
Sickle-cell anemia
Siderosis
Silicosis
Silicotic fibrosis
Simple fracture
Sinus barotrauma
Sinusitis—acute
Sinusitis—chronic
Siriasis
Skin and subcutaneous tissue disorders
Skin and subcutaneous tissue infections
Skin cancer, basal cell nonmelanoma
Skin cancer, melanoma
Skin cancer, squamous cell
Skin cancer, unspecified
Skin neoplasms and tumors—benign,
(noncancerous)
Skin neoplasms and tumors—malignant
(cancerous)
Skin neoplasms and tumors of unknown
properties
Skin sensation, disturbances of
Skin texture, changes in
Skin ulcers, chronic
Skull fracture—fatal
Skull fracture—nonfatal and no mention of
intracranial injury
Skull fracture with intracranial injury
Sleep disturbances
Sleeping sickness
Slipped disc
Slipped epiphysis
Smallpox
Smoke inhalation—fatal
Smoke inhalation—nonfatal, reaction
unspecified
Smoke inhalation and burns of equal
severity
Snake bite—nonvenomous (excludes
copperhead, cottonmouth, rattlesnake, and
water moccasin)
Snake bite—venomous, copperhead,
cottonmouth, rattlesnake, and water
moccasin
Snake bite—venomous, reaction specified
(code to reaction)
Snake bite—venomous, reaction unspecified
Soft tissue disorders, except the back
Soft tissue disorders, except the back, n.e.c.
Soft tissue disorders, except the back,
2259
1972
1972
2729
1972
1972
2739
2739
5121
5121
196*
1960
111
222
111
519
133
141
133
2729
2632
2749
239
2499
349
3312
1232
1821
1839
182*
1829
1820
1822
123*
1230
4122
133
133
2459
364
3194
2814
1813
unspecified
Solar retinopathy
Soreness, pain, hurt—nonspecified injury
Spasm—traumatic
Spasm, back—nontraumatic
Spasm, back—traumatic
Spasm, muscle—traumatic
Spasm, muscle, excluding the back—
nontraumatic
Spasms affecting part of body other than
back—nontraumatic
Spasms affecting the entire body, no specific
diagnosis
Spasms or tremors, n.e.c.
Spider bite, reaction specified (code to
reaction)
Spider bite, reaction unspecified
Spinal bone injury
Spinocerebellar disease
Spiral fracture
Splenomegaly
Splinter, embedded
Splinter, superficial
Splinter, unspecified
Spondylitis and spondylosis of the spine
Spontaneous abortion
Spontaneous fracture
Spontaneous hemorrhage, n.e.c.
Spontaneous pneumothorax
Sporotichosis
Spotted fevers and tick typhus
Sprains—mild, moderate, or unknown
severity
Sprains and bruises of equal severity
Sprains and fractures of equal severity
Sprains and other injuries
Sprains and other injuries, n.e.c.
Sprains and other injuries, unspecified
Sprains, strains or tears and cuts
Sprains, strains, tears
Sprains, strains, tears, unspecified
Squamous cell nonmelanoma skin cancer
Stab wound
Stabbed
Stannosis
Staphylococcal food poisoning
Staphylococcal infection—methicillin
Resistant, except skin
Staphylococcal skin infection—except
methicillin resistant
Staphylococcal skin infection—
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
468
NATURE CODE INDEX
2732
196*
1960
1233
253
124
191
3193
3193
6211
6210
111
621*
5169
2454
1721
2361
2361
2362
2361
35
5119
2259
2732
161
281*
161
121*
629
191
1591
1721
141
141
14*
149
140
5179
3141
3299
5119
1973
51*
515*
methicillin resistant
Stenosing tenosynovitis
Sting from bee, hornet, wasp, yellow jacket,
sea nettle, jelly fish, reaction specified
(code to reaction)
Sting from bee, hornet, wasp, yellow jacket,
sea nettle, jelly fish, reaction unspecified
Strains—mild, moderate, or unknown
severity
Strangulated hernia from repeated exertions
Strangulated hernia from single or short
term exertion
Strangulation
Strep throat
Streptococcal sore throat, scarlatina
Stress—post-traumatic
Stress—unspecified job-related
Stress fracture
Stress, anxiety
Stridor
Stripper's asthma
Stroke—heat
Stroke—hemorrhagic
Stroke—ischemic
Stroke—mini
Stroke—nontraumatic and not heat-related
Strongyloidiasis
Stupor
Styes
Styloid tenosynovitis
Subarachnoid hemorrhage
Subcutaneous tissue and skin infections
Subdural hematoma
Subluxation
Substance-induced mental disorder
Suffocation
Sunburn, first degree or degree not specified
Sunstroke
Superficial chip
Superficial splinter
Surface wounds and bruises
Surface wounds and bruises, n.e.c
Surface wounds and bruises, unspecified
Swallowing difficulty
Swamp fever
Sweating fever
Sweating, excessive
Swelling, inflammation, irritation,
nonspecified injury
Symptoms
Symptoms involving cardiovascular system
5159
5150
517*
5179
5170
514*
5149
5140
512*
5129
5120
516*
5169
5160
513*
5139
5130
5*
59
50
510
1722
5111
2735
2739
2733
313
20
Symptoms involving cardiovascular system,
n.e.c.
Symptoms involving cardiovascular system,
unspecified
Symptoms involving digestive and urinary
systems
Symptoms involving digestive and urinary
systems, n.e.c.
Symptoms involving digestive and urinary
systems, unspecified
Symptoms involving head and neck
Symptoms involving head and neck, n.e.c.
Symptoms involving head and neck,
unspecified
Symptoms involving nervous and
musculoskeletal systems
Symptoms involving nervous and
musculoskeletal systems, n.e.c.
Symptoms involving nervous and
musculoskeletal systems, unspecified
Symptoms involving respiratory system and
chest
Symptoms involving respiratory system and
chest, n.e.c.
Symptoms involving respiratory system and
chest, unspecified
Symptoms involving skin and other
integumentary tissue
Symptoms involving skin and other
integumentary tissue, n.e.c.
Symptoms involving skin and other
integumentary tissue, unspecified
Symptoms, signs, and ill-defined conditions
Symptoms, signs, and ill-defined conditions,
n.e.c.
Symptoms, signs, and ill-defined conditions,
unspecified
Symptoms, unspecified
Syncope, heat
Syncope, except heat or
chemical related
Synovial and Birkett's hernia
Synovial rupture, nontraumatic
Synovitis
Syphilis and other bacterial venereal
diseases
Systemic diseases and disorders, unspecified
T
5169
Tachypnea
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
469
NATURE CODE INDEX
2453
35
2244
160
1231
1230
1230
1232
1233
1231
2735
1231
123*
132
2735
5179
2734
2732
2733
2732
2732
2733
2912
3196
5129
21
152*
1721
1593
1513
1533
1523
1964
5149
1964
5149
21
21
21
2383
221
Talcosis
Tapeworm
Tarsal tunnel syndrome
TBI (traumatic brain injury), unspecified
Tears—major
Tears—minor or moderate
Tears—unspecified
Tears to ligaments—minor, moderate, or
unknown severity
Tears to muscles and tendons—minor or
moderate
Tears to muscles, tendons, ligaments—
major
Tendinitis
Tendon avulsion
Tendon injuries, traumatic
Tendon lacerations in open wounds
Tendonitis
Tenesmus
Tennis elbow
Tenosynovitis—deQuervain’s
Tenosynovitis—other
Tenosynovitis—stenosing
Tenosynovitis—styloid
Tenosynovitis—unspecified
Testicular dysfunction
Tetanus
Tetany
Thalassemia
Thermal burns
Thermoplegia
Third degree burns (excluding heat, thermal,
electrical, chemical)
Third degree chemical burns and corrosions
Third degree electrical burns
Third degree heat (thermal) burns
Throat irritation, due to short-term exposure
to toxic, noxious, or allergenic substance
Throat irritation, unless due to short-term
exposure to toxic, noxious, or allergenic
substance
Throat pain or irritation due to short-term
exposure to toxic, noxious, or allergenic
substance
Throat pain or irritation, unless due to shortterm exposure to toxic, noxious, or
allergenic substance
Thrombasthenia
Thrombocytasthenia
Thrombocytopenia
Thrombophlebitis
2379
2383
2911
2911
3312
3312
1963
341
2262
1312
241
2422
1312
111
1312
119
1231
1231
1231
1231
122*
1231
1232
1231
1231
1221
1229
1231
1233
1231
21
2911
1961
Thrombophlebitis of intracranial or
intraspinal venous sinuses
Thrombosis, arterial—nontraumatic
Thrombosis, venous—nontraumatic
Thyroid gland diseases and disorders
Thyroiditis
Tick-borne rickettsioses
Tick typhus
Tightening of chest due to short-term
exposure to toxic, noxious, or allergenic
substance
Tinea
Tinnitis
Toenail avulsion
Tonsillitis
Tonsils, chronic conditions
Tooth avulsion
Tooth fracture
Tooth loss, without fracture
Tooth, loose
Torn Achilles tendon, unless specified as
minor or moderate (grade I or II)
Torn ACL, unless specified as minor or
moderate (grade I or II)
Torn anterior cruciate ligament, unless
specified as minor or moderate (grade I or
II)
Torn bicep, unless specified as minor or
moderate (grade I or II)
Torn cartilage
Torn ligament—major (grade III)
Torn ligament—minor or moderate (grade I
or II) or unspecified
Torn MCL, unless specified as minor or
moderate (grade I or II)
Torn medial collateral ligament, unless
specified as minor or moderate (grade I or
II)
Torn meniscus in knee, unless specified as
minor or moderate (grade I or II)
Torn meniscus in shoulder
Torn muscle—major (grade III)
Torn muscle—minor or moderate (grade I or
II) or unspecified
Torn rotator cuff, unless specified as minor
or moderate (grade I or II)
Toxic (paralytic) anemia
Toxic and nontoxic goiter
Toxic effects of food contaminants or
noxious food stuffs—nonviral and
nonbacterial
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
470
NATURE CODE INDEX
256
2351
2243
2242
399
241
1311
2362
1723
2362
1121
194
191
1972
160
161
199*
1*
1999
10
11*
119
110
12*
129
120
113*
1139
1130
112*
1129
1120
1139
194
1991
1121
5121
3319
1719
35
399
35
35
2732
339
Toxic hepatitis—noninfective
Toxic myocarditis
Toxic myoneural disorders
Toxic polyneuropathy
Toxoplasmosis
Tracheitis
Transections
Transient cerebral ischemia
Transient heat fatigue
Transient ischemia attacks
Transient paralysis, traumatic, except due to
known brain injury
Traumatic aneurysm, fistula, or aortic
dissection
Traumatic asphyxia
Traumatic backache
Traumatic brain injury (TBI), unspecified
Traumatic cerebral hemorrhage
Traumatic complications
Traumatic injuries and disorders
Traumatic injuries and disorders, n.e.c
Traumatic injuries and disorders,
unspecified
Traumatic injuries to bones, nerves, spinal
cord
Traumatic injuries to bones, nerves, spinal
cord, n.e.c.
Traumatic injuries to bones, nerves, spinal
cord, unspecified
Traumatic injuries to muscles, tendons,
ligaments, joints, etc.
Traumatic injuries to muscles, tendons,
ligaments, joints, etc., n.e.c.
Traumatic injuries to muscles, tendons,
ligaments, joints, etc., unspecified
Traumatic injuries to nerves, except the
spinal cord
Traumatic injuries to nerves, except the
spinal cord, n.e.c.
Traumatic injuries to nerves, except the
spinal cord, unspecified
Traumatic injuries to spinal cord
Traumatic injuries to spinal cord, n.e.c.
Traumatic injuries to spinal cord,
unspecified
Traumatic neuroma
Traumatic rupturing of blood vessels
Traumatic shock—complication of other
injury
Traumatic transient paralysis except due to
known brain injury
311
3129
4212
42*
41*
4*
1232
1232
3251
3252
3253
3254
362
3319
3319
3319
3312
Tremors, n.e.c.
Trench fever
Trench foot
Trichinosis
Trichomoniasis
Trichostrongyloidiasis
Trichuriasis
Trigger finger
Trypanosomiasis (including Chagas'
disease)
Tuberculosis (diagnosed)
Tularemia
Tumor, fatty (lipoma) —benign
Tumors and neoplasms, benign
Tumors and neoplasms, malignant
Tumors neoplasms and cancers
Twists involving joints
Twists, unspecified
Type A viral hepatitis (infectious hepatitis)
Type B viral hepatitis (serum hepatitis)
Type C viral hepatitis
Type E viral hepatitis
Typhoid and paratyphoid fevers
Typhus, flea-borne
Typhus, louse-borne
Typhus, scrub
Typhus, tick
U
252
252
252
2894
1591
124
253
1722
5111
3122
1966
1961
35
5139
1966
5151
1232
262
262
Ulcer, gastric
Ulcer, gastrojejunal
Ulcer, peptic
Ulcer, skin—chronic
Ultraviolet keratoconjunctivitis
Umbilical hernia (from single or short term
exertion)
Umbilical hernia from repeated exertions
Unconsciousness associated with heat
Unconsciousness without reference to heat
Undulant fever
Unspecified allergic reaction
Unspecified effects of radiation
Unspecified intestinal parasite
Unspecified jaundice
Unspecified reactions to injections—
traumatic
Unspecified tachycardia (rapid heart beat)
Unspecified twists
Urethral stricture
Urethritis
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
471
NATURE CODE INDEX
262
517*
1953
3254
3250
3221
3261
2431
3299
521
2256
2919
2899
5142
1967
Urinary system diseases, other
Urinary system symptoms
Urticaria
V
3233
2381
222
238*
313
196*
1960
196*
1960
195*
195*
196*
1960
253
124
339
361
3149
3261
32*
323*
3239
3230
326*
3269
3260
320
3243
3229
325*
3259
3251
3252
3253
Varicella
Varicose veins
Vascular myelopathies of the spinal cord
Vein, lymphatics diseases
Venereal disease—bacterial
Venomous animal bite, reaction specified
(code to reaction)
Venomous animal bite, reaction unspecified
Venomous bites and stings, except those
limited to skin (code to reaction)
Venomous bites and stings, except those
limited to skin, reaction unspecified
Venomous bites and stings, reaction limited
to skin (code to reaction)
Venomous insect bite, reaction limited to
skin (code to reaction)
Venomous insect bite, reaction specified and
not limited to skin (code to reaction)
Venomous insect bite, reaction unspecified
Ventral hernia from repeated exertions
Ventral hernia from single or short term
exertion
Verruga peruana
Vibrio cholera
Vincent's angina
Viral conjunctivitis (ophthalmia)
Viral diseases, except intestinal
Viral diseases accompanied by exanthem
(eruptive fever)
Viral diseases accompanied by exanthem
(eruptive fever), n.e.c.
Viral diseases accompanied by exanthem
(eruptive fever), unspecified
Viral diseases of the conjunctiva
Viral diseases of the conjunctiva, n.e.c.
Viral diseases of the conjunctiva,
unspecified
Viral diseases, unspecified
Viral encephalitis—arthropod-borne
Viral encephalitis—except arthropod-borne
Viral hepatitis
Viral hepatitis, n.e.c.
Viral hepatitis, type A
Viral hepatitis, type B
Viral hepatitis, type C
5171
Viral hepatitis, type E
Viral hepatitis, unspecified
Viral meningitis—except arthropod-borne
Viral ophthalmia
Viral pneumonia
Viral warts
Viremia, unspecified
Visual disturbances
Vitamin deficiencies
Vitiligo
Voice disturbances
Vomiting due to poisoning, toxic, noxious,
or allergenic effects
Vomiting, unspecified cause
W
3299
195*
196*
1960
3141
1591
2832
3245
1963
5169
125
21
3192
35
Warts, viral
Wasp sting, reaction limited to skin (code to
reaction)
Wasp sting, reaction specified (code to
reaction)
Wasp sting, reaction unspecified
Weil's disease
Welder's flash, first degree or degree not
specified
Wen
West Nile virus
Wheezing due to poisoning, toxic, noxious,
or allergenic effects
Wheezing, except due to poisoning, toxic,
noxious, or allergenic effects
Whiplash—unspecified
White blood cell diseases
Whooping cough
Worm infections
X
2839
Xerosis cutis
Y
3149
3241
196*
1960
Yaws
Yellow fever
Yellow jacket sting, reaction specified (code
to reaction)
Yellow jacket sting, reaction unspecified
Z
*-Asterisks denote a summary level code not assigned to individual cases.
_____________________________________________________________________________________________
01/12
472
NATURE CODE INDEX
312*
3129
Zoonotic bacterial diseases
Zoonotic bacterial diseases, n.e.c.
3120
349
Zoonotic bacterial diseases, unspecified
Zygomycosis
*-Asterisks denote a summary level code not assigned to individual cases.
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*-Asterisks denote a summary level code not assigned to individual cases.
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