MCMedicalCodingSoftware
Z15.1

Z15.1: Genetic susceptibility to epilepsy and neurodevelopmental disorders

Billable / specific codeICD-10-CMPOA exempt

Z15.1 is a billable, specific ICD-10-CM code for genetic susceptibility to epilepsy and neurodevelopmental disorders. It is valid for submission on a claim.

Check Z15.1 with the rest of the claim: free scrubber

Code also

Both codes may be needed to describe the encounter fully. Sequencing depends on the reason for the visit.

  • , 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.-)

Excludes1 inherited from the categories above Z15.1

A category’s note binds every code beneath it.

Written on Z15: Genetic susceptibility to disease

  • chromosomal anomalies (Q90-Q99)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Alphabetic index entries that lead here

  • Genetic›susceptibility to disease NEC›epilepsy
  • Genetic›susceptibility to disease NEC›neurodevelopmental disorders

Code history

  • addedFY2024-FY2027

    Genetic susceptibility to epilepsy and neurodevelopmental disorders

Other codes under Z15

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.