Z81.8
Billable codeFamily history of other mental and behavioral disorders
The ICD-10 code for family history of other mental and behavioral disorders is Z81.8.
Clinical notes
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
- Z81.0Family history of intellectual disabilities
- Z81.1Family history of alcohol abuse and dependence
- Z81.2Family history of tobacco abuse and dependence
- Z81.3Family history of other psychoactive substance abuse and dependence
- Z81.4Family history of other substance abuse and dependence
- Z81.8Family history of other mental and behavioral disorders
ICD-9-CM equivalent
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.
- V170
Associated MS-DRGs
Z81.8 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.