Z15.1

ICD-10Billable

Genetic susceptibility to epi and neurodevelopmental disord

Official ICD-10-CM descriptor (FY2026)

Genetic susceptibility to epilepsy and neurodevelopmental disorders

Z15.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Code also

Two codes may be needed; sequencing depends on the reason for the encounter.

  • , if applicable, related disorders such as:
  • developmental and epileptic encephalopathy (G93.45)
  • developmental disorder of speech and language (F80.-)
  • developmental disorders of scholastic skills (F81.-)
  • epilepsy, by specific type (G40.-)
  • intellectual disabilities (F70-F79)
  • other neurodevelopmental disorder (F88)
  • pervasive developmental disorders (F84.-)

Related codes in Z15

Where this code sits

Parent code
Z15

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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