ExonArrayDx Gene list for clinical testing Exon-level deletion/duplication testing is available for more than 375 clinically significant genes. ExonArrayDx is an oligonucleotide microarraybased (oligo array CGH) test developed by GeneDx to examine one or more genes for full or partial gene deletions or duplications at the exon level. The following list contains clinically relevant genes (and their associated disorders) that are available for deletion/duplication testing by ExonArrayDx. Deletions/duplications of these genes have been published in the literature. ExonArrayDx can be ordered for one specific gene or for a custom panel of clinically related genes (up to 10 genes selected by the ordering physician or genetic counselor). Please use the general submission form to request testing. This list is searchable – please use the search function in any PDF reader software to find specific entries. Genes listed individually by disease name Disorder Gene Disorder Gene 17-beta-hydroxysteroid dehydrogenase III deficiency HSD17B3 Antithrombin III deficiency, thrombophilia SERPINC1 17-beta-hydroxysteroid dehydrogenase X deficiency HSD17B10 Antley-Bixler syndrome, ABS, POR deficiency POR 2q23 microdeletion syndrome MBD5 Arginase deficiency ARG1 3-methylcrontonyl-CoA carboxylase deficiency MCCC1 Argininosuccinate lyase deficiency ASL 3-methylcrontonyl-CoA carboxylase deficiency MCCC2 Aromatase deficiency, female pseudohermaphroditism CYP19A1 3-Methylglutaconic aciduria type 1 AUH ARX-related disorders ARX 46,XY complete gonadal dysgenesis SRY Arylsulfatase A deficiency ARSA 46,XY disorder of sex development DMRT1 Ataxia telangiectasia ATM 46,XY disorder of sex development WNT4 Atrial fibrillation GJA5 46,XY disorder of sex development NR5A1 Atrial septal defect 2 GATA4 46,XY disorder of sex development DHH NKX2-5 46,XY disorder of sex development, adrenal hypoplasia congenita, X linked NR0B1 Atrial septal defect with atrioventricular conduction defects, tetralogy of Fallot Achromatopsia CNGA3 Atypical Rett syndrome, epileptic encephalopathy CDKL5 Achromatopsia CNGB3 Autism susceptibility locus AHI1 Achromatopsia GNAT2 Autism susceptibility locus AUTS2 Adenomatous polyposis colorectal cancer MUTYH Autism susceptibility locus SLC4A10 Agammaglobulinemia, X-linked BTK Alagille syndrome Autism susceptibility locus, 16p13.3 deletion syndrome, ATAXIN2-binding protein 1 RBFOX1 JAG1 Alpha-L-fucosidase deficiency FUCA1 Autism susceptibility locus, 22q13.3 deletion syndrome SHANK3 Alpha-thalassemia-mental retardation syndrome, X-linked ATRX Autoimmune lymphoproliferative syndrome type Ia, ALPS FAS Alport syndrome COL4A5 Autoimmune lymphoproliferative syndrome, type IIA and IIB, ALPS CASP8 Amyloid polyneuropathy, amyloid cardiomyopathy TTR Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy syndrome, APECED, autoimmune polyglandular syndrome AIRE Androgen insensitivity syndrome, testicular feminization syndrome AR Autosomal dominant mental retardation 1 MBD5 Angelman syndrome UBE3A Autosomal dominant mental retardation 2 DOCK8 Aniridia DCDC1 Autosomal recessive congenital ichthyosis ALOX12B Aniridia ELP4 Autosomal recessive congenita ichthyosis NIPAL4 Aniridia PAX6 Autosomal recessive congenital ichthyosis ALOXE3 Anophthalmia, microphthalmia, autosomal dominant BMP4 Axenfeld-Rieger syndrome, anterior segment ocular dysgenesis PITX2 Anophthalmia, microphthalmia, autosomal dominant OTX2 Axenfeld-Rieger syndrome, anterior segment ocular dysgenesis FOXC1 Anophthalmia, microphthalmia, autosomal dominant SIX6 Best macular dystrophy BEST1 Anophthalmia, microphthalmia, autosomal dominant SOX2 Beta-ketothiolase deficiency ACAT1 Anophthalmia, microphthalmia, autosomal recessive VSX2 Beta-thalassemia HBB Anophthalmia, microphthalmia, autosomal recessive RAX Bilateral frontoparietal polymicrogyria GPR56 Anophthalmia, microphthalmia, autosomal recessive STRA6 Biotinidase deficiency BTD Anterior segment mesenchymal dysgenesis PITX3 Birt-Hogg-Dube syndrome FLCN Anterior segment ocular dysgenesis FOXE3 Blepharophimosis, ptosis, and epicanthus inversus, BPES FOXL2 Anterior segment ocular dysgenesis, microphthalmia BCOR Bloom syndrome BLM Page 1 of 6 207 Perry Parkway Gaithersburg, MD 20877 T 1 301 519 2100 • F 1 301 519 2892 E [email protected] • www.genedx.com ExonArrayDx Gene list for clinical testing Genes listed individually by disease name Disorder Gene Disorder Gene Brachydactyly-mental retardation syndrome HDAC4 Congenital disorder of glycosylation IC ALG6 Brachydactyly, type B1, Robinow syndrome ROR2 Congenital insensitivity to pain with anhidrosis, CIPA NTRK1 Branchio-oto-renal syndrome EYA1 Congenital stationary night blindness, type 1B GRM6 Branchiootic syndrome SIX1 Congenital stationary night blindness, type 1C TRPM1 Brugada syndrome CACNB2 Congenital stationary night blindness, type 2B CABP4 Brugada syndrome 2 GPD1L Congenital stationary night blindness, X-linked NYX Campomelic dysplasia SOX9 Corneal dystrophy CYP4V2 Canavan disease ASPA Cornelia de Lange syndrome SMC1A Carbamoyl phosphate synthetase I deficiency CPS1 Cornelia de Lange syndrome NIPBL Carney complex PRKAR1A Costello syndrome HRAS Carnitine palmitoyltransferase I deficiency CPT1A Cowden syndrome, Bannayan-Riley-Ruvalcaba syndrome PTEN Carnitine palmitoyltransferase II deficiency CPT2 Craniofrontonasal syndrome EFNB1 Carpenter disease RAB23 Currarino syndrome MNX1 Cartilage hair hypoplasia, anauxetic dysplasia RMRP Cutis laxa, autosomal recessive EFEMP2 Catecholaminergic polymorphic ventricular tachycardia RYR2 FBLN5 Catecholaminergic polymorphic ventricular tachycardia CASQ2 Cutis laxa, autosomal recessive/dominant, age-related macular degeneration 3 Cerebral cavernous malformations KRIT1 Darier disease ATP2A2 CCM2 Dent disease CLCN5 PDCD10 Diamond-Blackfan syndrome RPS19 ABHD5 DiGeorge syndrome, velo-cardio-facial syndrome TBX1 CHD7 DiGeorge-like phenocopy CRKL ARSE Dihydropteridine reductase deficiency QDPR CHM Duane-radial ray syndrome SALL4 Chronic granulomatous disease CYBA Dyskeratosis congenita DKC1 Chronic granulomatous disease CYBB Dyskeratosis congenita TERC Chronic granulomatous disease NCF2 Dyskeratosis congenita TINF2 Citrullinemia type 1 ASS1 Dyskeratosis congenita, aplastic anemia TERT Cleidocranial dysplasia RUNX2 Early infantile epileptic encephalopathy PNKP MMACHC Ectodermal dysplasia, an/hypohidrotic, X-linked EDA ERCC8 Ectodermal dysplasia, hypohidrotic, autosomal dominant or recessive EDAR Cockayne syndrome B ERCC6 WNT10A Coffin-Lowry syndrome RPS6KA3 Ectodermal dysplasia, odonto-onycho-dermal dysplasia , Schopf-SchulzPassarge syndrome Cohen syndrome VPS13B Ehlers-Danlos syndrome type 4 COL3A1 Combined pituitary hormone deficiency PROP1 Ellis-van Creveld syndrome EVC Combined pituitary hormone deficiency POU1F1 Epidermolysis bullosa with pyloric atresia ITGA6 Combined saposin deficiency, saposin A, B & C deficiency PSAP Epidermolysis bullosa, dystrophic type COL7A1 Cone dystrophy, autosomal recessive KCNV2 Epidermolysis bullosa, junctional type COL17A1 Cone-rod dystrophy, autosomal dominant GUCA1A Epidermolysis bullosa, junctional type LAMA3 Cone-rod dystrophy, autosomal dominant CRX Epidermolysis bullosa, junctional type LAMB3 Cone-rod dystrophy, autosomal dominant GUCY2D Epidermolysis bullosa, junctional type LAMC2 Cone-rod dystrophy, autosomal dominant PRPH2 Epidermolysis bullosa, junctional with pyloric atresia, JEB-PA ITGB4 Cone-rod dystrophy, autosomal recessive PDE6C Epidermolysis bullosa, with muscular dystrophy PLEC1 Congenital adrenal hyperplasia due to 17-alpha-hydroxylase/17,20-lyase deficiency CYP17A1 Epilepsy with neurodevelopmental defects GRIN2A Escobar syndrome, multiple pterygium syndrome CHRNG MPL Ethylmalonic aciduria ETHE1 MPI Fabry disease GLA Cerebral cavernous malformations Cerebral cavernous malformations Chanarin-Dorfman syndrome, neutral lipid storage disease with ichthyosis CHARGE syndrome Chondrodysplasia punctata Choroideremia Cobalamin C deficiency Cockayne syndrome A Congenital amegakaryocytic thrombocytopenia Congenital disorder of glycosylation IB Page 2 of 6 207 Perry Parkway Gaithersburg, MD 20877 T 1 301 519 2100 • F 1 301 519 2892 E [email protected] • www.genedx.com ExonArrayDx Gene list for clinical testing Genes listed individually by disease name Disorder Gene Disorder Gene Familial adenomatous polyposis, colon cancer APC Hermansky-Pudlak syndrome HPS1 Familial atrial fibrillation KCNA5 Hermansky-Pudlak syndrome HPS3 Familial exudative vitreoretinopathy FZD4 Hermansky-Pudlak Syndrome AP3B1 Familial exudative vitreoretinopathy LRP5 Hirschsprung disease EDN3 Familial exudative vitreoretinopathy 5 TSPAN12 HMG co-A lyase deficiency HMGCL Familial gastric cancer CDH1 Holocarboxylase synthetase deficiency HLCS Familial hypercholesterolemia LDLR Holoprosencephaly SHH Familial hypocalciuric hypercalcemia, neonatal severe primary hyperparathyroidism, autosomal dominant hypocalcemia, familial isolated hypoparathyroidism CASR Holoprosencephaly SIX3 Holoprosencephaly ZIC2 Fanconi anemia FANCC Holt-Oram syndrome TBX5 Feingold syndrome MYCN Homocystinuria-megaloblastic anemia methylcobalamin deficiency, cblE complementation type MTRR Friedreich ataxia FXN RDH5 Homocystinuria-megaloblastic anemia, methylcobalamin deficiency, cblG type MTR Fundus albipunctatus Fundus albipunctatus, Newfoundland rod-cone dystrophy, bothnia retinal dystrophy RLBP1 Homocystinuria, cystathionine beta-synthase deficiency CBS Hydrocephalus, X-linked, MASA syndrome, CRASH syndrome L1CAM Galactokinase deficiency GALK1 Hydrolethalus syndrome HYLS1 Galactosemia, galactosyltransferase deficiency GALT Hyper IgM syndrome AICDA Glanzmann thrombasthenia ITGB3 Hyper-IgD syndrome MVK Glutaric aciduria type I GCDH Hyper-IgE recurrent infection syndrome, autosomal recessive DOCK8 Glutaric aciduria type II, multiple acyl-CoA dehydrogenase deficiency ETFA Hyperparathyroidism-jaw tumor syndrome CDC73 Glutaric aciduria type II, multiple acyl-CoA dehydrogenase deficiency ETFB Hypomyelination, global cerebral SLC25A12 Glutaric aciduria type II, multiple acyl-CoA dehydrogenase deficiency ETFDH Hypoparathyroidism, deafness, and renal disease GATA3 Glutathione synthetase deficiency GSS Immunodeficiency due to nucleoside phosphorylase deficiency PNP Glycogen storage disease type IV GBE1 Immunodeficiency with hyper-IgM syndrome, X-linked CD40LG Goltz syndrome, focal dermal hypoplasia PORCN IRAK4 deficiency IRAK4 Gorlin syndrome, basal cell nevus syndrome PTCH1 Isobutyryl-CoA dehydrogenase deficiency ACAD8 Growth hormone insensitivity syndrome GHR Isolated persistent hypermethioninemia MAT1A GTP cyclohydrolase 1 deficiency, dopa-responsive dystonia GCH1 Isovaleric acidemia IVD Guanidinoacetate methyltransferase deficiency GAMT Jalili syndrome CNNM4 Hailey-Hailey disease, familial benign chronic pemphigus ATP2C1 Joubert syndrome CEP290 Harlequin ichthyosis, lamellar ichthyosis type 2 ABCA12 Joubert syndrome INPP5E Hemophilia A F8 Juvenile polyposis syndrome, infantile form BMPR1A Hemophilia B F9 Juvenile polyposis syndrome, pancreatic cancer SMAD4 Hereditary angioedema SERPING1 Kabuki syndrome MLL2 Hereditary hemorrhagic telangiectasia ENG Kallmann syndrome, autosmal dominant FGFR1 Hereditary hemorrhagic telangiectasia, Osler-Rendu-Weber syndrome ACVRL1 Kallmann syndrome, X-linked KAL1 Hereditary inclusion body myopathy, HIBM GNE Krabbe disease GALC Hereditary leiomyomatosis and renal cell cancer, fumarate hydratase deficiency FH L-arginine: glycine amidinotransferase deficiency GATM Hereditary multiple exostoses EXT1 Lamellar ichthyosis TGM1 Hereditary multiple exostoses EXT2 Leber congenital amaurosis, autosomal recessive CRB1 Hereditary paraganglioma syndrome SDHAF2 Leber congenital amaurosis, autosomal recessive RDH12 Hereditary paraganglioma-pheochromocytoma syndrome SDHB Leber congenital amaurosis, autosomal recessive RPGRIP1 Hereditary paraganglioma-pheochromocytoma syndrome SDHC Leber congenital amaurosis, autosomal recessive TULP1 Hereditary paraganglioma-pheochromocytoma syndrome SDHD Leber congenital amaurosis, autosomal recessive SPATA7 Hereditary schwannomatosis, malignant rhabdoid tumor SMARCB1 Page 3 of 6 207 Perry Parkway Gaithersburg, MD 20877 T 1 301 519 2100 • F 1 301 519 2892 E [email protected] • www.genedx.com ExonArrayDx Gene list for clinical testing Genes listed individually by disease name Disorder Gene Disorder Gene Leber congenital amaurosis, autosomal recessive LCA5 Methylmalonyl-coA epimerase deficiency MCEE Leber congenital amaurosis, autosomal recessive AIPL1 Mitochondrial complex V (ATPase) deficiency, nuclear-encoded ATPAF2 Left-right determination factor 2 LEFTY2 Mitochondrial trifunctional protein deficiency HADHB Legius syndrome SPRED1 Molybdenum cofactor deficiency MOCS2 Leri-Weill dyschondrosteosis, short stature SHOX Mucolipidosis I NEU1 Leukocyte adhesion deficiency ITGB2 Mucolipidosis IV MCOLN1 Li-Fraumeni syndrome TP53 IDUA Li-Fraumeni syndrome CHEK2 Mucopolysaccharidosis type I, Hurler Syndrome, Hurler-Scheie Syndrome, Scheie Syndrome LIG4 syndrome, severe combined immunodeficiency with sensitivity to ionizing radiation, T cell-negative, B cell-negative, NK cell-positive LIG4 Mucopolysaccharidosis type IIIA SGSH Mucopolysaccharidosis type IIIB NAGLU Limb-girdle muscular dystrophy type 2A CAPN3 Mucopolysaccharidosis type IIIC HGSNAT Long QT syndrome AKAP9 Mucopolysaccharidosis type IIID GNS Long QT syndrome KCNE3 Mucopolysaccharidosis type IVA, Morquio A syndrome GALNS Long QT syndrome KCNH2 Mucopolysaccharidosis type IVB, Morquio B syndrome GLB1 Long QT syndrome KCNQ1 Mucopolysaccharidosis type VI ARSB Long QT syndrome SCN4B Multiple endocrine neoplasia type 1 MEN1 Long QT syndrome SNTA1 Multiple sulfatase deficiency SUMF1 Long QT syndrome SCN5A Multiple synostoses syndrome NOG Long QT syndrome KCNE1 N-acetylglutamate synthase deficiency NAGS Long QT syndrome KCNE2 Nail-patella syndrome LMX1B Long QT syndrome KCNJ2 Nemaline myopathy NEB Long QT syndrome ANK2 Nephrogenic diabetes insipidus AVPR2 Long QT syndrome CACNA1C Nephronophthisis NPHP1 Nephronophthisis 2 INVS Long-chain acyl-CoA dehydrogenase deficiency, mitochondrial trifunctional HADHA protein deficiency Nephronophthisis 3, Meckel syndrome 7 NPHP3 Lowe syndrome OCRL Nephronophthisis 4, Senior-Loken syndrome 4 NPHP4 Lymphoproliferative syndrome, X-linked SH2D1A Nephropathic cystinosis CTNS Lysosomal acid lipase deficiency LIPA Netherton syndrome, NTS, ichthyosis linearis circumflexa SPINK5 Malonic aciduria MLYCD Neurodevelopmental defects GRIN2B Maple syrup urine disease BCKDHA Neurofibromatosis type 2 NF2 Maple syrup urine disease BCKDHB Neuronal ceroid lipofuscinosis 3 CLN3 Maple syrup urine disease DBT Niemann Pick type A and B SMPD1 Maple syrup urine disease DLD Niemann Pick type C NPC1 Niemann Pick type C NPC2 Nijmegen breakage syndrome NBN Ocular coloboma GDF6 Oculocutaneous albinism OCA2 Oguchi disease GRK1 Optic atrophy OPA1 Ornithine transcarbamylase deficiency OTC Oro-facial-digital syndrome OFD1 Osteogenesis imperfecta COL1A2 Osteogenesis imperfecta COL1A1 Overgrowth syndrome RNF135 Pendred syndrome, enlarged vestibular aqueduct SLC26A4 Marfan syndrome, Shprintzen-Goldberg craniosynostosis, Weill-Marchesani FBN1 syndrome McCune-Albright syndrome, PHP1A, PPHP, POH GNAS Medium-chain acyl-CoA dehydrogenase deficiency, MCAD ACADM Metachondromatosis PTPN11 Metaphyseal chondrodysplasia COL10A1 Methylmalonic acidemia, cbl A type MMAA Methylmalonic acidemia, cbl B type MMAB Methylmalonic acidemia, mutase deficiency MUT Methylmalonic aciduria MMADHC Methylmalonic aciduria and homocystinuria, methylcobalamin deficiency, cblF type LMBRD1 Methylmalonic aciduria due to transcobalamin receptor defect CD320 Page 4 of 6 207 Perry Parkway Gaithersburg, MD 20877 T 1 301 519 2100 • F 1 301 519 2892 E [email protected] • www.genedx.com ExonArrayDx Gene list for clinical testing Genes listed individually by disease name Disorder Gene Disorder Gene Peters-plus syndrome B3GALTL Retinitis pigmentosa, X-linked RP2 Peutz-Jeghers syndrome STK11 Retinitis pigmentosa, X-linked RPGR Phenylketonuria PAH Retinoblastoma RB1 Pituitary dwarfism LHX3 Retinoschisis, X-linked RS1 Pituitary dwarfism type 1, short stature GH1 Rett syndrome MECP2 Pompe disease, glycogen storage disease type II GAA Rickets, hypophosphatemic with hypercalciuria, autosomal recessive SLC34A3 Preaxial polydactyly (ZRS of SHH) LMBR1 ENPP1 Primary carnitine deficiency, carnitine uptake defect SLC22A5 Rickets, hypophosphatemic 2, arterial calcification of infancy, autosomal recessive Primary congenital glaucoma CYP1B1 Rickets, hypophosphatemic, autosomal recessive DMP1 Primary open angle glaucoma MYOC Rickets, hypophosphatemic, X-linked PHEX Primary open angle glaucoma OPTN Roberts syndrome ESCO2 Propionic acidemia PCCA Rothmund-Thomsen syndrome RECQL4 Propionic acidemia PCCB Rubenstein-Taybi syndrome CREBBP CYP27B1 Rubinstein-Taybi syndrome 2 EP300 COMP Saethre-Chotzen syndrome TWIST1 STX16 Septo-optic dysplasia, optic nerve hypopasia HESX1 ABCA3 Sever combined immune deficiency ADA FAM20C Severe combined immune deficiency IL7R FHIT Severe combined immune deficiency JAK3 PAX2 Severe combined immune deficiency, Omenn syndrome DCLRE1C HNF1B Severe combined immune deficiency, Omenn syndrome RAG1 ACE Severe combined immune deficiency, Omenn syndrome RAG2 AK2 Severe combined immune deficiency due to selective T cell defect ZAP70 Retinitis pigmentosa FSCN2 NHEJ1 Retinitis pigmentosa GUCA1B Severe combined immune deficiency with microcephaly, growth retardation, and sensitivity to ionizing radiation Retinitis pigmentosa KLHL7 Severe combined immune deficiency, T cell-negative, B cell-positive, NK cell-positive PTPRC Retinitis pigmentosa MERTK PROM1 Severe combined immunodeficiency, T cell-negative, B cell-positive, NK cell-positive CD3D Retinitis pigmentosa Retinitis pigmentosa, ADC CA4 CD3E Retinitis pigmentosa, autosomal recessive CERKL Severe combined immune deficiency, T cell-negative, B cell-positive, NK cell-positive Retinitis pigmentosa, autosomal dominant NR2E3 CD247 Retinitis pigmentosa, autosomal dominant PRPF31 Severe combined immune deficiency, T-cell negative, B-cell positive, NK cell-positive, SCID Retinitis pigmentosa, autosomal dominant PRPF8 Severe combined immunodeficiency, X-linked IL2RG Retinitis pigmentosa, autosomal dominant RP1 Severe congenital neutropenia, autosomalrecessive, Kostman disease HAX1 Retinitis pigmentosa, autosomal dominant PRPF3 Short branched chain acyl-CoA dehydrogenase deficiency, SBCAD ACADSB Retinitis pigmentosa, autosomal dominant RHO Short stature, pituitary and cerebellar defects, small sella turcica LHX4 Retinitis pigmentosa, autosomal recessive ROM1 Short-chain acyl-CoA dehydrogenase deficiency, SCAD ACADS Retinitis pigmentosa, autosomal recessive NRL Simpson-Golabi-Behmel syndrome GPC4 Retinitis pigmentosa, autosomal recessive IDH3B Simpson-Golabi-Behmel syndrome GPC3 Retinitis pigmentosa, autosomal recessive PDE6A Sjogren-Larsson syndrome, SLS ALDH3A2 Retinitis pigmentosa, autosomal recessive PDE6B Smith-Lemli-Opitz syndrome DHCR7 Retinitis pigmentosa, autosomal recessive RPE65 Smith-Magenis syndrome RAI1 Retinitis pigmentosa, autosomal recessive USH2A Sotos syndrome NSD1 Retinitis pigmentosa, autosomal recessive CNGA1 Spinal muscular atrophy with respiratory distress type 1, SMARD1 IGHMBP2 Retinitis pigmentosa, autosomal recessive EYS Pseudo-vitamin D deficiency rickets, autosomal recessive Pseudoachondroplasia, multiple epiphyseal dysplasia Pseudohypoparathyroidism type IB Pulmonary surfactant metabolism dysfunction, pulmonary, 3 Raine syndrome Renal cell carcinoma Renal coloboma syndrome Renal cysts and diabetes syndrome Renal tubular dysgenesis Reticular dysgenesis Page 5 of 6 207 Perry Parkway Gaithersburg, MD 20877 T 1 301 519 2100 • F 1 301 519 2892 E [email protected] • www.genedx.com ExonArrayDx Gene list for clinical testing Genes listed individually by disease name Disorder Gene Disorder Gene Spondyloepiphyseal dysplasia tarda, X-linked TRAPPC2 X-linked mental retardation, JARID1C-related KDM5C Stargardt disease, retinitis pigmentosa, cone rod dystrophy, autosomal recessive ABCA4 X-linked mental retardation, Stocco dos Santos syndrome SHROOM4 X-linked mental retardation, syndromic, Turner type HUWE1 Stargardt-like macular dystrophy, autosomal dominant ELOVL4 Xeroderma pigmentosum XPC Steroid sulfatase deficiency, X-linked Ichthyosis STS Stickler syndrome, Kniest dysplasia, spondyloepiphyseal dysplasia and related disorders COL2A1 Synpolydactyly HOXD13 Tay-Sachs disease, hexosaminidase A deficiency HEXA Tetralogy of Fallot ZFPM2 Thoracic aortic aneuryms and dissections ACTA2 Torsion dystonia THAP1 Townes-Brock syndrome SALL1 Treacher-Collins syndrome TCOF1 Trichorhinophalangeal syndrome TRPS1 Triple-A syndrome, Allgrove syndrome, achalasia-addisonianism-alacrima AAAS Tyrosine hydroxylase deficiency, autosomal recessive infantile Parkinsonism TH Tyrosinemia type I FAH Tyrosinemia type II TAT Tyrosinemia type III HPD Ulnar-mammary syndrome TBX3 Usher syndrome, type IB, deafness, autosomal recessive 2 MYO7A Usher syndrome, type IC USH1C Usher syndrome, type ID, deafness, autosomal recessive 12 CDH23 Usher syndrome, type IF PCDH15 Usher syndrome, type IG USH1G Usher syndrome, type IIC GPR98 Usher syndrome, type IID DFNB31 Usher syndrome, type III CLRN1 Van der Woude syndrome, popliteal pterygium syndrome IRF6 Very long-chain acyl-CoA dehydrogenase deficiency, VLCAD ACADVL Vitamin D-dependent rickets, type 2A VDR Von Hippel-Lindau syndrome VHL Waardenburg syndrome type I, III PAX3 Waardenburg syndrome type IIA MITF Waardenburg syndrome type IIE SOX10 WAGR, Denys-Drash syndrome, Frasier syndrome WT1 Werner syndrome WRN Williams-Beuren syndrome MAGI2 Williams-Beuren syndrome, cutis laxa ELN Wiskott-Aldrich syndrome WAS Wolfram syndrome 1, diabetes insipidus and mellitus with optic atrophy and deafness WFS1 X-linked mental retardation GDI1 X-linked mental retardation MAGT1 X-linked mental retardation 94 GRIA3 Page 6 of 6 207 Perry Parkway Gaithersburg, MD 20877 T 1 301 519 2100 • F 1 301 519 2892 E [email protected] • www.genedx.com © 2012 GeneDx. 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