Z15.1
Billable codeGenetic susceptibility to epilepsy and neurodevelopmental disorders
The ICD-10 code for genetic susceptibility to epilepsy and neurodevelopmental disorders is Z15.1.
Clinical notes
Code also
Two codes may be needed to fully describe a condition, but unlike Code First/Use Additional Code, the sequencing order is not mandated by convention.
- , 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.-)
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Z15.0Genetic susceptibility to malignant neoplasmnon-billable header
- Z15.2Genetic susceptibility to obesity
- Z15.3Genetic susceptibility to kidney disease
- Z15.8Genetic susceptibility to other diseasenon-billable header
- Z15.1Genetic susceptibility to epilepsy and neurodevelopmental disorders
Associated MS-DRGs
Z15.1 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.