2025 ICD-10-CM Diagnosis Code Z15.1

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Genetic susceptibility to epilepsy and neurodevelopmental disorders

  • Z15.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Short description: Genetic susceptibility to epi and neurodevelopmental disord
  • ICD-10-CM Z15.1 is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
  • This is the American ICD-10-CM version of Z15.1 – other international versions of ICD-10 Z15.1 may differ.

Code Also

  • , 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.-)

The following code(s) above Z15.1 contain annotation back-references

 that may be applicable to Z15.1:

  • Z00-Z99  Factors influencing health status and contact with health services
  • Z15  Genetic susceptibility to disease

Present On Admission

  • Z15.1 is considered exempt from POA reporting.

ICD-10-CM Z15.1 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 951 Other factors influencing health status

Code History

  • 2025 (effective 10/1/2024): New code

Diagnosis Index entries containing back-references to Z15.1:

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