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Phenotypes
Leukoencephalopathy

Select all: Gene symbolChrAvg % covered at 10xLocus TypeNoteOMIMPrevious symbol(s)Phenotype(s)Slice(s)
AUH9q22.31100%gene with protein product6005293-Methylglutaconic aciduria; Ataxia; Athetosis; Autosomal recessive inheritance; Cerebral atrophy; Cognitive impairment; Delayed speech and language development; Dysarthria; Dystonia; Failure to thrive; Febrile seizures; Global developmental delay; Hyperreflexia; Infantile onset; Leukoencephalopathy; Metabolic acidosis; Motor delay; Optic atrophy; Phenotypic variability; Short attention span; Spastic tetraplegia; Urinary incontinence
CLCN23q27.1100%gene with protein product600570Autosomal recessive inheritance; Gait ataxia; Headache; Leukoencephalopathy; Limb ataxia
CLN615q23100%gene with protein product606725Abnormal nervous system electrophysiology; Abnormality of extrapyramidal motor function; Adult onset; Ataxia; Auditory hallucinations; Autosomal recessive inheritance; Cerebral atrophy; Curvilinear intracellular accumulation of autofluorescent lipopigment storage material; Dementia; Depressivity; Fingerprint intracellular accumulation of autofluorescent lipopigment storage material; Granular osmiophilic deposits (GROD) in cells; Increased neuronal autofluorescent lipopigment; Leukoencephalopathy; Motor deterioration; Myoclonus; Progressive visual loss; Rectilinear intracellular accumulation of autofluorescent lipopigment storage material; Retinal degeneration; Seizures; Visual hallucinations
COL4A113q3499.99%gene with protein product120130Abnormal aldolase level; Abnormal lactate dehydrogenase activity; Abnormal levels of creatine kinase in blood; Absent septum pellucidum; Agenesis of corpus callosum; Anophthalmia; Aplasia/Hypoplasia involving the skeletal musculature; Areflexia; Autosomal dominant inheritance; Babinski sign; Blurred vision; Cerebellar atrophy; Cerebellar hypoplasia; Chorioretinal dysplasia; Corneal opacity; Cryptorchidism; Dandy-Walker malformation; Dilatation of the cerebral artery; Elevated serum creatine phosphokinase; Exotropia; Facial paralysis; Glaucoma; Global developmental delay; Hematuria; Hemiparesis; Hemiplegia; Hemolytic anemia; Hydrocephalus; Hypopigmentation of the fundus; Hypoplasia of penis; Hyporeflexia; Intellectual disability; Ischemic stroke; Leukoencephalopathy; Limb dystonia; Lissencephaly; Macrocephaly; Macrogyria; Metatarsus valgus; Microphthalmia; Migraine with aura; Multiple renal cysts; Muscle cramps; Muscle weakness; Muscular dystrophy; Muscular hypotonia; Nephropathy; Optic atrophy; Pachygyria; Polymicrogyria; Porencephalic cyst; Posterior leukoencephalopathy; Raynaud phenomenon; Renal cyst; Renal insufficiency; Retinal arteriolar tortuosity; Retinal detachment; Retinal dysplasia; Retinal dystrophy; Retinal hemorrhage; Retinal vascular tortuosity; Schizencephaly; Scotoma; Seizures; Skeletal muscle atrophy; Spasticity; Specific learning disability; Supraventricular arrhythmia; Tetraparesis; Variable expressivity; Visual field defect; Visual lossHemolytic Anemia ; Muscular dystropy-dystroglycanopathy (Walker-Warburg)
COL4A113q3499.99%gene with protein product120130Abnormal aldolase level; Abnormal lactate dehydrogenase activity; Abnormal levels of creatine kinase in blood; Absent septum pellucidum; Agenesis of corpus callosum; Anophthalmia; Aplasia/Hypoplasia involving the skeletal musculature; Areflexia; Autosomal dominant inheritance; Babinski sign; Blurred vision; Cerebellar atrophy; Cerebellar hypoplasia; Chorioretinal dysplasia; Corneal opacity; Cryptorchidism; Dandy-Walker malformation; Dilatation of the cerebral artery; Elevated serum creatine phosphokinase; Exotropia; Facial paralysis; Glaucoma; Global developmental delay; Hematuria; Hemiparesis; Hemiplegia; Hemolytic anemia; Hydrocephalus; Hypopigmentation of the fundus; Hypoplasia of penis; Hyporeflexia; Intellectual disability; Ischemic stroke; Leukoencephalopathy; Limb dystonia; Lissencephaly; Macrocephaly; Macrogyria; Metatarsus valgus; Microphthalmia; Migraine with aura; Multiple renal cysts; Muscle cramps; Muscle weakness; Muscular dystrophy; Muscular hypotonia; Nephropathy; Optic atrophy; Pachygyria; Polymicrogyria; Porencephalic cyst; Posterior leukoencephalopathy; Raynaud phenomenon; Renal cyst; Renal insufficiency; Retinal arteriolar tortuosity; Retinal detachment; Retinal dysplasia; Retinal dystrophy; Retinal hemorrhage; Retinal vascular tortuosity; Schizencephaly; Scotoma; Seizures; Skeletal muscle atrophy; Spasticity; Specific learning disability; Supraventricular arrhythmia; Tetraparesis; Variable expressivity; Visual field defect; Visual lossHemolytic Anemia ; Muscular dystropy-dystroglycanopathy (Walker-Warburg)
CSF1R5q32100%gene with protein product164770FMSAbnormality of the cerebral white matter; Adult onset; Apraxia; Autosomal dominant inheritance; Bradykinesia; CNS demyelination; Depressivity; Frontal lobe dementia; Gliosis; Hyperreflexia; Leukoencephalopathy; Memory impairment; Mutism; Neuronal loss in central nervous system; Postural instability; Rapidly progressive; Rigidity; Shuffling gait; Spasticity
CTC117p13.1100%gene with protein product613129C17orf68Abnormal blistering of the skin; Abnormal pyramidal signs; Abnormality of coagulation; Abnormality of extrapyramidal motor function; Abnormality of female internal genitalia; Abnormality of neutrophils; Abnormality of the fingernails; Abnormality of the pharynx; Anemia; Anorectal anomaly; Aplasia/Hypoplasia of the skin; Aplastic/hypoplastic toenail; Ataxia; Autosomal recessive inheritance; Blindness; Bone marrow hypocellularity; Carious teeth; Cellular immunodeficiency; Cerebral calcification; Dysarthria; Dystonia; Esophageal stenosis; Exudative retinopathy; Genu valgum; Global developmental delay; Hemiplegia; Hyperhidrosis; Hypermelanotic macule; Hypodontia; Hypopigmented skin patches; Infantile onset; Intestinal bleeding; Intrauterine growth retardation; Leukodystrophy; Leukoencephalopathy; Malabsorption; Mental deterioration; Metaphyseal sclerosis; Morphological abnormality of the pyramidal tract; Nail dysplasia; Nail dystrophy; Optic atrophy; Oral leukoplakia; Osteopenia; Osteoporosis; Pathologic fracture; Periodontitis; Phenotypic variability; Postnatal growth retardation; Progressive; Recurrent fractures; Recurrent respiratory infections; Retinal telangiectasia; Rough bone trabeculation; Scoliosis; Seizures; Short femoral neck; Short stature; Skin ulcer; Sparse hair; Spasticity; Taurodontia; Telangiectasia of the skin; Thin skin; Thrombocytopenia; Tracheoesophageal fistula; Tremor; Urethral stenosisAplastic Anemia ; Bone Marrow Failure Syndromes
DARS2q21.391.83%gene with protein product603084Autosomal recessive inheritance; Babinski sign; CNS hypomyelination; Hyperreflexia; Hypoplasia of the corpus callosum; Infantile onset; Leukoencephalopathy; Motor delay; Muscular hypotonia of the trunk; Nystagmus; Progressive; Spasticity
DARS21q25.1100%gene with protein product610956Ataxia; Autosomal recessive inheritance; Babinski sign; Flexion contracture; Hyperreflexia; Hyporeflexia; Leukoencephalopathy; Motor delay; Muscle weakness; Nystagmus; Peripheral axonal neuropathy; Skeletal muscle atrophy; Slow progression; Spasticity; Tremor; Variable expressivity
EARS216p12.2100%gene with protein product612799Absent speech; Autosomal recessive inheritance; Bradykinesia; Decreased activity of mitochondrial complex I; Decreased activity of mitochondrial complex III; Decreased activity of mitochondrial complex IV; Developmental regression; Dysplastic corpus callosum; Dystonia; Failure to thrive; Global developmental delay; Hypoplasia of the corpus callosum; Increased serum lactate; Infantile onset; Lactic acidosis; Leukoencephalopathy; Neonatal hypotonia; Ophthalmoplegia; Ptosis; Ragged-red muscle fibers; Seizures; Spastic tetraparesis; Visual impairment
EIF2B112q24.31100%gene with protein product606686EIF2BAutosomal recessive inheritance; Cerebral hypomyelination; Cessation of head growth; CNS demyelination; Decreased circulating progesterone; Delusions; Developmental regression; Dysarthria; Emotional lability; Generalized hypotonia; Juvenile onset; Lethargy; Leukoencephalopathy; Macrocephaly; Memory impairment; Optic atrophy; Personality changes; Premature ovarian insufficiency; Primary gonadal insufficiency; Secondary amenorrhea; Seizures; Spasticity; Unsteady gait
EIF2B214q24.3100%gene with protein product606454Autosomal recessive inheritance; Cerebral hypomyelination; Cessation of head growth; CNS demyelination; Decreased circulating progesterone; Delusions; Developmental regression; Dysarthria; Emotional lability; Generalized hypotonia; Juvenile onset; Lethargy; Leukoencephalopathy; Macrocephaly; Memory impairment; Optic atrophy; Personality changes; Premature ovarian insufficiency; Primary gonadal insufficiency; Secondary amenorrhea; Seizures; Spasticity; Unsteady gait
EIF2B31p34.1100%gene with protein product606273Autosomal recessive inheritance; Cerebral hypomyelination; Cessation of head growth; CNS demyelination; Decreased circulating progesterone; Delusions; Developmental regression; Dysarthria; Emotional lability; Generalized hypotonia; Juvenile onset; Lethargy; Leukoencephalopathy; Macrocephaly; Memory impairment; Optic atrophy; Personality changes; Premature ovarian insufficiency; Primary gonadal insufficiency; Secondary amenorrhea; Seizures; Spasticity; Unsteady gait
EIF2B42p23.3100%gene with protein product606687Autosomal recessive inheritance; Cerebral hypomyelination; Cessation of head growth; CNS demyelination; Decreased circulating progesterone; Delusions; Developmental regression; Dysarthria; Emotional lability; Generalized hypotonia; Juvenile onset; Lethargy; Leukoencephalopathy; Macrocephaly; Memory impairment; Optic atrophy; Personality changes; Premature ovarian insufficiency; Primary gonadal insufficiency; Secondary amenorrhea; Seizures; Spasticity; Unsteady gait
EIF2B53q27.1100%gene with protein product603945Autosomal recessive inheritance; Cerebral hypomyelination; Cessation of head growth; CNS demyelination; Decreased circulating progesterone; Delusions; Developmental regression; Dysarthria; Emotional lability; Generalized hypotonia; Juvenile onset; Lethargy; Leukoencephalopathy; Macrocephaly; Memory impairment; Optic atrophy; Personality changes; Premature ovarian insufficiency; Primary gonadal insufficiency; Secondary amenorrhea; Seizures; Spasticity; Unsteady gait
HTRA110q26.1399.98%gene with protein product602194PRSS11Abnormality of extrapyramidal motor function; Alopecia; Arteriosclerosis of small cerebral arteries; Ataxia; Autosomal dominant inheritance; Autosomal recessive inheritance; Babinski sign; Dementia; Diffuse demyelination of the cerebral white matter; Diffuse white matter abnormalities; Dysarthria; Gait disturbance; Hyperintensity of cerebral white matter on MRI; Hyperreflexia; Leukoencephalopathy; Low back pain; Mental deterioration; Perivascular spaces; Progressive encephalopathy; Pseudobulbar signs; Recurrent subcortical infarcts; Rigidity; Spasticity; Status cribrosum; Urinary incontinence
L2HGDH14q21.399.82%gene with protein product609584C14orf160Abnormal pyramidal signs; Abnormality of extrapyramidal motor function; Aplasia/Hypoplasia of the cerebellum; Autosomal recessive inheritance; Behavioral abnormality; Cerebellar atrophy; Corpus callosum atrophy; Developmental regression; Dysphasia; Encephalitis; Gliosis; Global brain atrophy; Hearing impairment; Infantile onset; Intellectual disability, progressive; Intellectual disability, severe; L-2-hydroxyglutaric acidemia; L-2-hydroxyglutaric aciduria; Leukoencephalopathy; Macrocephaly; Morphological abnormality of the pyramidal tract; Muscular hypotonia; Neoplasm of the nervous system; Nystagmus; Optic atrophy; Seizures; Severe demyelination of the white matter; Spastic tetraparesis; Strabismus
LAMB17q31.1100%gene with protein product150240CLMAbnormality of the cerebral white matter; Autosomal recessive inheritance; Cerebellar hypoplasia; Generalized hypotonia; Gray matter heterotopias; Hydrocephalus; Hypoplasia of the brainstem; Intellectual disability; Leukoencephalopathy; Macrocephaly; Muscular hypotonia; Occipital encephalocele; Porencephalic cyst; Progressive; Seizures; Severe global developmental delay; Spastic paraplegia; Type II lissencephaly; Variable expressivity
MRPS223q23100%gene with protein product605810Abnormality of the amniotic fluid; Abnormality of the renal tubule; Antenatal onset; Ascites; Autosomal recessive inheritance; Congenital onset; Death in infancy; Delayed myelination; Edema; Generalized hypotonia; Growth delay; Hypertrophic cardiomyopathy; Hypoplasia of the corpus callosum; Increased serum lactate; Leukoencephalopathy; Low-set ears; Metabolic acidosis; Microcephaly; Muscular hypotonia of the trunk; Posteriorly rotated ears; Redundant neck skin; Retrognathia; Seizures; Spastic tetraplegia
NAXE1q2299.95%gene with protein product608862APOA1BPAtaxia; Autosomal recessive inheritance; Brain atrophy; Cerebellar edema; Cerebral edema; Coma; Death in infancy; Developmental regression; Generalized hypotonia; Increased CSF lactate; Increased serum lactate; Lactic acidosis; Leukoencephalopathy; Nystagmus; Rapidly progressive; Seizures; Skin erosion; Strabismus; Tetraparesis; Tremor
NOTCH319p13.1299.94%gene with protein product600276CADASILAbnormal electroretinogram; Abnormal form of the vertebral bodies; Abnormality of the hair; Abnormality of the metaphysis; Abnormality of the middle ear ossicles; Abnormality of the musculature; Abnormality of the rib cage; Abnormality of the skin; Abnormality of the skull; Abnormality of the thorax; Abnormality of visual evoked potentials; Adult onset; Amaurosis fugax; Aphasia; Arachnoid cyst; Arnold-Chiari type I malformation; Atresia of the external auditory canal; Autosomal dominant inheritance; Biconcave vertebral bodies; Bone cyst; Cerebral cortical atrophy; Cerebral ischemia; Chondrocalcinosis; Coarse hair; Coma; Conductive hearing impairment; Confusion; Cranial nerve paralysis; Craniofacial hyperostosis; Cryptorchidism; Dementia; Dental crowding; Depressivity; Developmental regression; Dolichocephaly; Downslanted palpebral fissures; Dural ectasia; EEG abnormality; Elevated serum creatine phosphokinase; Fever; Gait disturbance; Generalized hypotonia; Gingival fibromatosis; Hemiplegia; High palate; High, narrow palate; Hypertelorism; Impaired pain sensation; Inguinal hernia; Joint hyperflexibility; Joint hypermobility; Kyphosis; Leukoencephalopathy; Long philtrum; Low posterior hairline; Low-set ears; Malar flattening; Memory impairment; Meningocele; Micrognathia; Migraine; Motor delay; Narrow face; Neoplasm of the lung; Neoplasm of the skin; Nonarteritic anterior ischemic optic neuropathy; Patent ductus arteriosus; Pectus excavatum; Platybasia; Posteriorly rotated ears; Prominent metopic ridge; Pseudobulbar paralysis; Ptosis; Recurrent subcortical infarcts; Retinal arteriolar tortuosity; Sclerosis of skull base; Scoliosis; Seizures; Sensory neuropathy; Short nasal bridge; Short neck; Short stature; Smooth philtrum; Spasticity; Stroke; Subcortical dementia; Subcutaneous nodule; Syringomyelia; Umbilical hernia; Urinary incontinence; Varicose veins; Vertebral fusion; Visual impairment; Wormian bones
POLG15q26.1100%gene with protein productVariants in the POLG gene that have a possible association with valproate-induced toxicity are not routinely reported by this test, but are available upon request.1747633-Methylglutaconic aciduria; Abdominal distention; Abdominal pain; Abnormality of the cerebral white matter; Abnormality of the extraocular muscles; Abnormality of the hand; Abnormality of the mitochondrion; Abnormality of visual evoked potentials; Adult onset; Areflexia; Astrocytosis; Ataxia; Atrophic muscularis propria; Atrophy/Degeneration involving the spinal cord; Autosomal dominant inheritance; Autosomal recessive inheritance; Bile duct proliferation; Bradykinesia; Cachexia; Cataract; Cerebellar atrophy; Cerebral cortical neurodegeneration; Choreoathetosis; Cognitive impairment; Coma; Constipation; Cortical visual impairment; Cytochrome C oxidase-negative muscle fibers; Death in early adulthood; Decreased motor nerve conduction velocity; Decreased number of large peripheral myelinated nerve fibers; Decreased sensory nerve conduction velocity; Dementia; Demyelinating peripheral neuropathy; Depressivity; Developmental regression; Diarrhea; Dilated cardiomyopathy; Distal amyotrophy; Distal muscle weakness; Distal sensory impairment; Dysarthria; Dysphagia; Dysphonia; Easy fatigability; Elevated hepatic transaminases; Elevated serum creatine phosphokinase; EMG: myopathic abnormalities; Emotional lability; Epilepsia partialis continua; Ethylmalonic aciduria; Exercise intolerance; External ophthalmoplegia; Facial palsy; Failure to thrive; Focal seizures; Foot dorsiflexor weakness; Gait ataxia; Gastroesophageal reflux; Gastrointestinal dysmotility; Gastroparesis; Generalized amyotrophy; Generalized hypotonia; Generalized muscle weakness; Generalized tonic-clonic seizures; Gliosis; Global developmental delay; Hepatic failure; Hepatomegaly; Heterogeneous; Hyperalaninemia; Hypergonadotropic hypogonadism; Hypertonia; Hypointensity of cerebral white matter on MRI; Hyporeflexia; Impaired distal proprioception; Impaired distal vibration sensation; Increased CSF protein; Increased serum lactate; Increased variability in muscle fiber diameter; Infantile onset; Intermittent diarrhea; Intestinal pseudo-obstruction; Lactic acidosis; Leukoencephalopathy; Limb ataxia; Limb muscle weakness; Malabsorption; Malnutrition; Microcephaly; Micronodular cirrhosis; Microvesicular hepatic steatosis; Migraine; Mildly elevated creatine phosphokinase; Mitochondrial myopathy; Mitral regurgitation; Mitral valve prolapse; Multiple mitochondrial DNA deletions; Muscle fiber necrosis; Muscular hypotonia; Myoclonus; Nausea; Neuronal loss in central nervous system; Nystagmus; Paralysis; Paresthesia; Parkinsonism; Parkinsonism with favorable response to dopaminergic medication; Peripheral axonal neuropathy; Pes cavus; Phenotypic variability; Poor appetite; Positive Romberg sign; Premature ovarian insufficiency; Primary amenorrhea; Progressive; Progressive external ophthalmoplegia; Progressive gait ataxia; Progressive muscle weakness; Progressive spasticity; Proximal muscle weakness; Ptosis; Ragged-red muscle fibers; Rapidly progressive; Respiratory insufficiency due to muscle weakness; Resting tremor; Rigidity; Secondary amenorrhea; Seizures; Sensorimotor neuropathy; Sensorineural hearing impairment; Sensory ataxic neuropathy; Sensory axonal neuropathy; Skeletal muscle atrophy; Small intestinal dysmotility; Spastic paraparesis; Steppage gait; Subsarcolemmal accumulations of abnormally shaped mitochondria; Testicular atrophy; Variable expressivity; Vestibular dysfunction; Visual loss; Vomiting
POLG15q26.1100%gene with protein productVariants in the POLG gene that have a possible association with valproate-induced toxicity are not routinely reported by this test, but are available upon request.1747633-Methylglutaconic aciduria; Abdominal distention; Abdominal pain; Abnormality of the cerebral white matter; Abnormality of the extraocular muscles; Abnormality of the hand; Abnormality of the mitochondrion; Abnormality of visual evoked potentials; Adult onset; Areflexia; Astrocytosis; Ataxia; Atrophic muscularis propria; Atrophy/Degeneration involving the spinal cord; Autosomal dominant inheritance; Autosomal recessive inheritance; Bile duct proliferation; Bradykinesia; Cachexia; Cataract; Cerebellar atrophy; Cerebral cortical neurodegeneration; Choreoathetosis; Cognitive impairment; Coma; Constipation; Cortical visual impairment; Cytochrome C oxidase-negative muscle fibers; Death in early adulthood; Decreased motor nerve conduction velocity; Decreased number of large peripheral myelinated nerve fibers; Decreased sensory nerve conduction velocity; Dementia; Demyelinating peripheral neuropathy; Depressivity; Developmental regression; Diarrhea; Dilated cardiomyopathy; Distal amyotrophy; Distal muscle weakness; Distal sensory impairment; Dysarthria; Dysphagia; Dysphonia; Easy fatigability; Elevated hepatic transaminases; Elevated serum creatine phosphokinase; EMG: myopathic abnormalities; Emotional lability; Epilepsia partialis continua; Ethylmalonic aciduria; Exercise intolerance; External ophthalmoplegia; Facial palsy; Failure to thrive; Focal seizures; Foot dorsiflexor weakness; Gait ataxia; Gastroesophageal reflux; Gastrointestinal dysmotility; Gastroparesis; Generalized amyotrophy; Generalized hypotonia; Generalized muscle weakness; Generalized tonic-clonic seizures; Gliosis; Global developmental delay; Hepatic failure; Hepatomegaly; Heterogeneous; Hyperalaninemia; Hypergonadotropic hypogonadism; Hypertonia; Hypointensity of cerebral white matter on MRI; Hyporeflexia; Impaired distal proprioception; Impaired distal vibration sensation; Increased CSF protein; Increased serum lactate; Increased variability in muscle fiber diameter; Infantile onset; Intermittent diarrhea; Intestinal pseudo-obstruction; Lactic acidosis; Leukoencephalopathy; Limb ataxia; Limb muscle weakness; Malabsorption; Malnutrition; Microcephaly; Micronodular cirrhosis; Microvesicular hepatic steatosis; Migraine; Mildly elevated creatine phosphokinase; Mitochondrial myopathy; Mitral regurgitation; Mitral valve prolapse; Multiple mitochondrial DNA deletions; Muscle fiber necrosis; Muscular hypotonia; Myoclonus; Nausea; Neuronal loss in central nervous system; Nystagmus; Paralysis; Paresthesia; Parkinsonism; Parkinsonism with favorable response to dopaminergic medication; Peripheral axonal neuropathy; Pes cavus; Phenotypic variability; Poor appetite; Positive Romberg sign; Premature ovarian insufficiency; Primary amenorrhea; Progressive; Progressive external ophthalmoplegia; Progressive gait ataxia; Progressive muscle weakness; Progressive spasticity; Proximal muscle weakness; Ptosis; Ragged-red muscle fibers; Rapidly progressive; Respiratory insufficiency due to muscle weakness; Resting tremor; Rigidity; Secondary amenorrhea; Seizures; Sensorimotor neuropathy; Sensorineural hearing impairment; Sensory ataxic neuropathy; Sensory axonal neuropathy; Skeletal muscle atrophy; Small intestinal dysmotility; Spastic paraparesis; Steppage gait; Subsarcolemmal accumulations of abnormally shaped mitochondria; Testicular atrophy; Variable expressivity; Vestibular dysfunction; Visual loss; Vomiting
RPIA2p11.2100%gene with protein product180430Ataxia; Autosomal recessive inheritance; Decreased level of erythritol in CSF; Decreased level of erythritol in urine; Elevated circulating ribitol concentration; Global developmental delay; Increased level of D-threitol in CSF; Increased level of D-threitol in plasma; Increased level of D-threitol in urine; Increased level of ribitol in CSF; Increased level of ribitol in urine; Increased level of ribose in CSF; Increased level of ribose in urine; Increased level of xylitol in CSF; Increased level of xylitol in urine; Leukoencephalopathy; Optic atrophy; Polyneuropathy; Seizures; Sensorimotor neuropathy; Spasticity
RRM2B8q22.399.95%gene with protein product604712Abdominal distention; Abdominal pain; Abnormality of retinal pigmentation; Abnormality of the cerebral white matter; Abnormality of the extraocular muscles; Abnormality of the hand; Abnormality of the mitochondrion; Aminoaciduria; Anterior hypopituitarism; Ataxia; Atrophic muscularis propria; Autosomal dominant inheritance; Autosomal recessive inheritance; Cachexia; Decreased motor nerve conduction velocity; Decreased number of large peripheral myelinated nerve fibers; Decreased sensory nerve conduction velocity; Demyelinating peripheral neuropathy; Depressivity; Diarrhea; Distal muscle weakness; Dysarthria; Dysphagia; Easy fatigability; Elevated hepatic transaminases; EMG abnormality; Exercise intolerance; External ophthalmoplegia; Failure to thrive; Feeding difficulties; Foot dorsiflexor weakness; Gait ataxia; Gastroesophageal reflux; Generalized hypotonia; Hearing impairment; Hyperalaninemia; Increased CSF protein; Increased muscle fatiguability; Intellectual disability; Lactic acidosis; Leukoencephalopathy; Multiple mitochondrial DNA deletions; Muscular hypotonia; Nausea; Paresthesia; Peripheral axonal neuropathy; Poor appetite; Progressive; Progressive external ophthalmoplegia; Progressive intervertebral space narrowing; Progressive neurologic deterioration; Proximal tubulopathy; Ptosis; Ragged-red muscle fibers; Reduced tendon reflexes; Seizures; Sensorimotor neuropathy; Sensorineural hearing impairment; Skeletal muscle atrophy; Small intestinal dysmotility; Third degree atrioventricular block; VomitingRhabdomyolysis
SAMHD120q11.23100%gene with protein product606754Arrhinencephaly; Arthropathy; Autosomal dominant inheritance; Autosomal recessive inheritance; Basal ganglia calcification; Chilblain lesions; Cutaneous photosensitivity; Deep white matter hypodensities; Dry skin; Eyelid coloboma; Feeding difficulties in infancy; Flexion contracture; Global developmental delay; Hemiplegia/hemiparesis; Intellectual disability, profound; Irritability; Leukodystrophy; Leukoencephalopathy; Muscular hypotonia of the trunk; Porencephalic cyst; Scaling skin; Spasticity; Thrombocytopenia; Variable expressivityAutoimmune Disorders
SCP21p32.399.82%gene with protein product184755Abnormal motor neuron morphology; Abnormality of saccadic eye movements; Abnormality of thalamus morphology; Autosomal recessive inheritance; Azoospermia; Head tremor; Hypergonadotropic hypogonadism; Hyposmia; Intention tremor; Leukoencephalopathy; Peripheral neuropathy; Torticollis
SDHA5p15.33100%gene with protein product600857SDH2Abnormal mitochondria in muscle tissue; Abnormal pattern of respiration; Adrenal pheochromocytoma; Ataxia; Autosomal dominant inheritance; Autosomal recessive inheritance; Babinski sign; Cerebral hemorrhage; Chest pain; CNS demyelination; Cognitive impairment; Constipation; Decreased activity of mitochondrial complex II; Developmental regression; Dilated cardiomyopathy; Dysarthria; Dysphagia; Dysphonia; Dystonia; Elevated urinary dopamine; Elevated urinary epinephrine; Elevated urinary norepinephrine; Emotional lability; Episodic abdominal pain; Episodic hyperhidrosis; Episodic paroxysmal anxiety; Exercise intolerance; Extraadrenal pheochromocytoma; Failure to thrive; Fatigue; Flexion contracture; Flushing; Gastrointestinal hemorrhage; Gastrointestinal stroma tumor; Generalized hypotonia; Gliosis; Global developmental delay; Glomerulosclerosis; Hepatocellular necrosis; Heterogeneous; Hypercalcemia; Hyperreflexia; Hypertensive retinopathy; Hypertrichosis; Hypertrophic cardiomyopathy; Increased CSF lactate; Increased intramyocellular lipid droplets; Increased serum lactate; Infantile onset; Intellectual disability; Intestinal obstruction; Lactic acidosis; Left ventricular noncompaction; Leukoencephalopathy; Mitochondrial inheritance; Muscle weakness; Myoclonus; Nausea; Nausea and vomiting; Neonatal hypotonia; Neoplasm of the stomach; Nystagmus; Ophthalmoplegia; Optic atrophy; Palpitations; Paraganglioma; Paraganglioma of head and neck; Paroxysmal vertigo; Phenotypic variability; Pigmentary retinopathy; Positive regitine blocking test; Progressive; Progressive leukoencephalopathy; Proteinuria; Ptosis; Pulsatile tinnitus; Ragged-red muscle fibers; Recurrent paroxysmal headache; Respiratory failure; Sarcoma; Seizures; Sensorineural hearing impairment; Short stature; Sinus tachycardia; Spasticity; Strabismus; Stress/infection-induced lactic acidosis; Visual impairment; Weight loss
SDHAF119q13.12100%gene with protein product612848Abnormal mitochondria in muscle tissue; Ataxia; Autosomal recessive inheritance; Babinski sign; Cognitive impairment; Decreased activity of mitochondrial complex II; Developmental regression; Dilated cardiomyopathy; Dystonia; Exercise intolerance; Flexion contracture; Hyperreflexia; Hypertrophic cardiomyopathy; Increased intramyocellular lipid droplets; Increased serum lactate; Infantile onset; Left ventricular noncompaction; Leukoencephalopathy; Muscle weakness; Myoclonus; Neonatal hypotonia; Nystagmus; Ophthalmoplegia; Optic atrophy; Phenotypic variability; Pigmentary retinopathy; Progressive leukoencephalopathy; Ptosis; Ragged-red muscle fibers; Seizures; Short stature; Spasticity; Stress/infection-induced lactic acidosis; Visual impairment
SDHD11q23.199.87%gene with protein product602690PGL, PGL1Abdominal pain; Abnormal mitochondria in muscle tissue; Abnormality of mitochondrial metabolism; Abnormality of the penis; Adenoma sebaceum; Adrenal pheochromocytoma; Adult onset; Ataxia; Autosomal dominant inheritance; Autosomal recessive inheritance; Babinski sign; Breast carcinoma; Cafe-au-lait spot; Cavernous hemangioma; Cerebral hemorrhage; Chemodectoma; Chest pain; Cognitive impairment; Colorectal polyposis; Conductive hearing impairment; Congenital cataract; Congestive heart failure; Conjunctival hamartoma; Cranial nerve paralysis; Decreased activity of mitochondrial complex II; Developmental regression; Dilated cardiomyopathy; Dysphagia; Dysphonia; Dystonia; Elevated circulating catecholamine level; Elevated urinary dopamine; Elevated urinary epinephrine; Elevated urinary norepinephrine; Episodic abdominal pain; Episodic hyperhidrosis; Episodic hypertension; Episodic paroxysmal anxiety; Erythematous plaque; Exercise intolerance; Extraadrenal pheochromocytoma; Fatigue; Flexion contracture; Flushing; Furrowed tongue; Gastrointestinal hemorrhage; Gastrointestinal stroma tumor; Generalized hyperkeratosis; Global developmental delay; Glomerulosclerosis; Glomus jugular tumor; Glomus tympanicum paraganglioma; Goiter; Hamartomatous polyposis; Hearing impairment; Hemangioma; Hoarse voice; Hypercalcemia; Hyperhidrosis; Hyperreflexia; Hypertension associated with pheochromocytoma; Hypertensive retinopathy; Hypertrophic cardiomyopathy; Increased intramyocellular lipid droplets; Increased serum lactate; Infantile onset; Intellectual disability; Intestinal carcinoid; Intestinal obstruction; Left ventricular noncompaction; Leukoencephalopathy; Lipoma; Loss of voice; Macrocephaly; Macroglossia; Macule; Melanocytic nevus; Meningioma; Mucosal telangiectasiae; Muscle weakness; Myoclonus; Nausea; Neonatal hypotonia; Neoplasm; Neoplasm of the gastrointestinal tract; Neoplasm of the thyroid gland; Night sweats; Nystagmus; Ophthalmoplegia; Optic atrophy; Palmoplantar keratoderma; Palpitations; Papilloma; Papule; Paraganglioma; Paraganglioma of head and neck; Paroxysmal vertigo; Phenotypic variability; Pheochromocytoma; Pigmentary retinopathy; Positive regitine blocking test; Progressive leukoencephalopathy; Proteinuria; Protracted diarrhea; Ptosis; Pulsatile tinnitus; Ragged-red muscle fibers; Recurrent paroxysmal headache; Renal artery stenosis; Renal cell carcinoma; Seizures; Short stature; Sinus tachycardia; Small intestine carcinoid; Spasticity; Stress/infection-induced lactic acidosis; Subcutaneous nodule; Tachycardia; Tinnitus; Uterine leiomyoma; Vagal paraganglioma; Visual impairment; Vocal cord paralysis; Weight loss
SNORD11817p13.1RNA, small nucleolarXomeDxSlice is not appropriate.616663Abnormal pyramidal signs; Abnormality of extrapyramidal motor function; Ataxia; Autosomal recessive inheritance; Cerebral calcification; Dysarthria; Dystonia; Gait disturbance; Global developmental delay; Hemiplegia; Leukodystrophy; Leukoencephalopathy; Mental deterioration; Progressive; Seizures; Spasticity; Tremor; Variable expressivity
TMEM708q21.11100%gene with protein product6124183-Methylglutaconic aciduria; Abnormal aortic valve morphology; Abnormal pulmonary valve morphology; Anteverted nares; Aplasia/Hypoplasia of the corpus callosum; Arrhythmia; Ataxia; Autosomal recessive inheritance; Camptodactyly of finger; Cerebral cortical atrophy; Congenital onset; Congestive heart failure; Cryptorchidism; Death in infancy; Encephalitis; Encephalopathy; Failure to thrive; Flat face; Flat occiput; Gastroparesis; Generalized hypotonia; Global developmental delay; Hepatomegaly; Hyperalaninemia; Hyperammonemia; Hypertrophic cardiomyopathy; Hypospadias; Increased serum lactate; Inguinal hernia; Intellectual disability, moderate; Intrauterine growth retardation; Lactic acidosis; Leukoencephalopathy; Long philtrum; Low-set ears; Microcephaly; Microretrognathia; Moderate global developmental delay; Muscular hypotonia; Oligohydramnios; Premature birth; Respiratory failure; Respiratory insufficiency; Retrognathia; Short philtrum; Small for gestational age; Tremor; Umbilical hernia; Wide mouth; Wide nasal bridge
TREM26p21.1100%gene with protein product605086Abnormal adipose tissue morphology; Abnormal brain FDG positron emission tomography; Abnormal social behavior; Abnormal upper motor neuron morphology; Abnormality of epiphysis morphology; Abnormality of the cerebral white matter; Abnormality of the foot; Abnormality of the hand; Aggressive behavior; Agitation; Agnosia; Alexia; Amyotrophic lateral sclerosis; Anxiety; Apraxia; Arthralgia; Autosomal recessive inheritance; Axonal loss; Babinski sign; Basal ganglia calcification; Bone cyst; Bone pain; Caudate atrophy; Cerebral atrophy; Cerebral calcification; Cerebral cortical atrophy; Chorea; Collectionism; Confusion; Deposits immunoreactive to beta-amyloid protein; Depressivity; Developmental regression; Disinhibition; Dyscalculia; Dysgraphia; Dyslexia; Dysphasia; Dyspnea; Echolalia; EEG abnormality; EEG with continuous slow activity; Emotional blunting; Emotional lability; Fatigable weakness of respiratory muscles; Fatigable weakness of swallowing muscles; Fatigue; Frontal lobe dementia; Frontotemporal cerebral atrophy; Frontotemporal dementia; Gait disturbance; Generalized muscle weakness; Gliosis; Grammar-specific speech disorder; Hallucinations; Hyperorality; Hypertonia; Hypoplasia of the corpus callosum; Inappropriate behavior; Irritability; Lack of insight; Language impairment; Leukoencephalopathy; Limitation of joint mobility; Loss of speech; Memory impairment; Muscle cramps; Myoclonus; Neurodegeneration; Neurofibrillary tangles; Neurological speech impairment; Oculomotor apraxia; Pain; Paralysis; Parkinsonism; Pathologic fracture; Peripheral demyelination; Perseveration; Personality changes; Poor speech; Primitive reflex; Reduced bone mineral density; Respiratory failure; Restlessness; Restrictive behavior; Seizures; Skeletal dysplasia; Skeletal muscle atrophy; Spasticity; Spoken Word Recognition Deficit; Stereotypy; Temporal cortical atrophy; Thickened nuchal skin fold; Urinary incontinence; Ventriculomegaly; Xerostomia
TREX13p21.31100%gene with protein product606609AGS1Abnormality of extrapyramidal motor function; Abnormality of the periventricular white matter; Abnormality of the retinal vasculature; Acrocyanosis; Adult onset; Apraxia; Arrhinencephaly; Arthralgia; Autosomal dominant inheritance; Autosomal recessive inheritance; Basal ganglia calcification; Behavioral abnormality; Central nervous system degeneration; Cerebral atrophy; Chilblain lesions; Chronic CSF lymphocytosis; Deep white matter hypodensities; Dementia; Dysarthria; Dystonia; Elevated erythrocyte sedimentation rate; Elevated hepatic transaminases; Eyelid coloboma; Feeding difficulties in infancy; Fever; Focal white matter lesions; Global developmental delay; Hematuria; Hemiparesis; Hemiplegia/hemiparesis; Hepatosplenomegaly; Increased CSF interferon alpha; Intellectual disability, profound; Juvenile onset; Leukodystrophy; Leukoencephalopathy; Limb pain; Lower limb hyperreflexia; Macular edema; Mental deterioration; Migraine; Morphological abnormality of the pyramidal tract; Multiple gastric polyps; Muscular hypotonia of the trunk; Nystagmus; Petechiae; Poor head control; Porencephalic cyst; Progressive; Progressive encephalopathy; Progressive forgetfulness; Progressive microcephaly; Progressive visual loss; Prolonged neonatal jaundice; Proteinuria; Punctate vasculitis skin lesions; Raynaud phenomenon; Retinal exudate; Retinal hemorrhage; Retinopathy; Seizures; Skin ulcer; Spasticity; Strabismus; Stroke; Telangiectasia; Thrombocytopenia; Vasculitis in the skin; Visual impairmentAutoimmune Disorders
TYMP22q13.33100%gene with protein product131222MNGIE, ECGF1Abdominal distention; Abdominal pain; Abnormality of the cerebral white matter; Abnormality of the extraocular muscles; Abnormality of the hand; Abnormality of the mitochondrion; Areflexia; Atrophic muscularis propria; Autosomal recessive inheritance; Cachexia; Constipation; Cytochrome C oxidase-negative muscle fibers; Death in early adulthood; Decreased motor nerve conduction velocity; Decreased number of large peripheral myelinated nerve fibers; Decreased sensory nerve conduction velocity; Demyelinating peripheral neuropathy; Diarrhea; Distal amyotrophy; Distal muscle weakness; Distal sensory impairment; Dysphagia; Easy fatigability; Elevated hepatic transaminases; External ophthalmoplegia; Foot dorsiflexor weakness; Gastroesophageal reflux; Gastrointestinal dysmotility; Gastroparesis; Hyperalaninemia; Hypointensity of cerebral white matter on MRI; Increased CSF protein; Intermittent diarrhea; Lactic acidosis; Leukoencephalopathy; Malabsorption; Malnutrition; Mitochondrial myopathy; Multiple mitochondrial DNA deletions; Nausea; Paresthesia; Peripheral axonal neuropathy; Poor appetite; Progressive; Progressive external ophthalmoplegia; Ptosis; Ragged-red muscle fibers; Sensorimotor neuropathy; Sensorineural hearing impairment; Small intestinal dysmotility; Subsarcolemmal accumulations of abnormally shaped mitochondria; Vomiting
TYMP22q13.33100%gene with protein product131222MNGIE, ECGF1Abdominal distention; Abdominal pain; Abnormality of the cerebral white matter; Abnormality of the extraocular muscles; Abnormality of the hand; Abnormality of the mitochondrion; Areflexia; Atrophic muscularis propria; Autosomal recessive inheritance; Cachexia; Constipation; Cytochrome C oxidase-negative muscle fibers; Death in early adulthood; Decreased motor nerve conduction velocity; Decreased number of large peripheral myelinated nerve fibers; Decreased sensory nerve conduction velocity; Demyelinating peripheral neuropathy; Diarrhea; Distal amyotrophy; Distal muscle weakness; Distal sensory impairment; Dysphagia; Easy fatigability; Elevated hepatic transaminases; External ophthalmoplegia; Foot dorsiflexor weakness; Gastroesophageal reflux; Gastrointestinal dysmotility; Gastroparesis; Hyperalaninemia; Hypointensity of cerebral white matter on MRI; Increased CSF protein; Intermittent diarrhea; Lactic acidosis; Leukoencephalopathy; Malabsorption; Malnutrition; Mitochondrial myopathy; Multiple mitochondrial DNA deletions; Nausea; Paresthesia; Peripheral axonal neuropathy; Poor appetite; Progressive; Progressive external ophthalmoplegia; Ptosis; Ragged-red muscle fibers; Sensorimotor neuropathy; Sensorineural hearing impairment; Small intestinal dysmotility; Subsarcolemmal accumulations of abnormally shaped mitochondria; Vomiting
TYROBP19q13.12100%gene with protein product604142PLOSLAbnormal adipose tissue morphology; Abnormal upper motor neuron morphology; Abnormality of epiphysis morphology; Abnormality of the foot; Abnormality of the hand; Aggressive behavior; Agnosia; Apraxia; Arthralgia; Autosomal recessive inheritance; Axonal loss; Babinski sign; Basal ganglia calcification; Bone cyst; Bone pain; Caudate atrophy; Cerebral atrophy; Cerebral calcification; Cerebral cortical atrophy; Chorea; Developmental regression; Disinhibition; EEG abnormality; Frontal lobe dementia; Gait disturbance; Gliosis; Hypoplasia of the corpus callosum; Irritability; Lack of insight; Leukoencephalopathy; Limitation of joint mobility; Memory impairment; Myoclonus; Neurological speech impairment; Oculomotor apraxia; Pathologic fracture; Peripheral demyelination; Personality changes; Primitive reflex; Reduced bone mineral density; Seizures; Skeletal dysplasia; Spasticity; Urinary incontinence; Ventriculomegaly
YME1L110p12.199.61%gene with protein product607472Amblyopia; Autosomal recessive inheritance; Brain atrophy; Cerebellar hypoplasia; Dysmetria; Facial diplegia; Global developmental delay; Hyperactivity; Hyperkinesis; Hypermetropia; Infantile onset; Intellectual disability; Leukoencephalopathy; Macrocephaly; Macrotia; Microcephaly; Midface retrusion; Myopia; Optic atrophy; Short stature; Strabismus; Visual impairment


The gene coverage data provided by GeneDx represent an estimate based on previous results, but the specific sequencing coverage data for the genes selected may vary from individual to individual, and cannot be predicted exactly. Changes to an approved gene list can only be made by contacting GeneDx directly at 888-729-1206 and asking to speak with a member of our Whole Exome Sequencing Laboratory.


  SUGGESTED CUSTOM SLICES  

Customize below OR enter Suggested Slice ID on printed requisition form
(e.g. 706 XomeDxSlice - Slice ID: CS-Albinism).

Suggested Slice IDSuggested Gene List Name
CS-AlbinismAlbinism
CS-AAAplastic Anemia
CS-AutoImmuneAutoimmune Disorders
CS-BBSBardet-Biedl Syndrome
CS-BMFBone Marrow Failure Syndromes
CS-CVIDCommon Variable Immune Deficiency
CS-CKUTCongenital Kidney and Urinary Tract (CKUT) Anomalies
CS-DSDDisorders of Sex Development
CS-EDEctodermal Dysplasia
CS-FAFanconi Anemia
CS-AnemiaHemolytic Anemia
CS-HeterotaxyHeterotaxy
CS-IBDInflammatory Bowel Disease
CS-MaleInfMale Infertility
CS-WWSMuscular dystropy-dystroglycanopathy (Walker-Warburg)
CS-NephroticNephrotic Syndrome
CS-ObesityObesity
CS-PPKCIPalmoplantar keratoderma plus congenital ichthyosis
CS-Primary ImmunodefPrimary Immunodeficiency
CS-RhabdoRhabdomyolysis
CS-SRTDShort-Rib Thoracic Dysplasia
CS-VACTERLVACTERL Association
CS-WSWaardenburg Syndrome