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Childhood-Onset Epilepsy Panel

New York
Approved


Genes

ADSL, ALDH5A1, ARG1, ATP1A3, ATRX, CACNA1A, CASK, CDKL5, CHD2, CHRNA2, CHRNA4, CHRNA7, CHRNB2, CLCN4, CLN3, CLN5, CLN6, CLN8, CNTNAP2, CSTB, CTSD, DDX3X, DEPDC5, DYRK1A, EEF1A2, EHMT1, EPM2A, FOLR1, FOXG1, GABRA1, GABRB2, GABRB3, GABRG2, GAMT, GATM, GNAO1, GOSR2, GRIN1, GRIN2A, HCN1, IQSEC2, KANSL1, KCNA2, KCNC1, KCNMA1, KCNT1, KCTD7, KDM6A, KIAA2022 (NEXMIF), LGI1, MAGI2, MBD5, MECP2, MEF2C, MFSD8, NALCN, NGLY1, NHLRC1, NPRL3, NRXN1, PACS1, PCDH19, PHGDH, PIGN, PNKP, POLG, PPP2R5D, PPT1, PURA, SCN1A, SCN1B, SCN2A, SHANK3, SLC19A3, SLC2A1, SLC6A1, SLC6A8, SLC9A6, SMC1A, SPATA5, STX1B, SYNGAP1, TBC1D24, TCF4, TPP1, UBE3A, WDR45

Conditions

  • Creatine Deficiency Syndromes
  • Epilepsy and Mental Retardation Limited to Females
  • Epilepsy with Variable Learning and Behavioral Disorders
  • Generalized Epilepsy with Febrile Seizures Plus (GEFS+)
  • Adenylosuccinate Lyase Deficiency
  • Glucose Transporter Type I Deficiency Syndrome
  • Alpers syndrome (Alpers-Huttenlocher syndrome)
  • Microcephaly with Early-Onset Intractable Seizures and Developmental Delay (MCSZ)
  • Angelman syndrome (AS)
  • Mowat-Wilson Syndrome
  • Neuronal Ceroid Lipofuscinoses (NCL)
  • Arginase Deficiency
  • Progressive Myoclonic Epilepsy
  • Rett syndrome
  • Atypical Rett Syndrome

Clinical Utility

  • Molecular confirmation of a clinical diagnosis
  • To assist with decisions about treatment and management of individuals with epilepsy
  • Testing of at-risk relatives for specific known mutation(s) previously identified in an affected family member
  • Prenatal diagnosis for known familial mutation(s) in at-risk pregnancies

Lab Method

  • Next-Gen Sequencing
  • Deletion/Duplication Analysis

Test Code

542

CPT Codes*

81404x2, 81405x2, 81406x2, 81407x1

ABN Required

No

Turnaround Time**

4 weeks

Preferred Specimen

2-5 mL Blood - Lavender Top Tube

Alternative Specimen

Buccal Swabs

*The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

**Reporting times are typical and begin once the sample(s) are received at the GeneDx laboratory, but could be extended in situations outside GeneDx’s reasonable control.