Z81: Family history of mental and behavioral disorders
Codes under Z81 (Family history of mental and behavioral disorders). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| Z81.0 | Family history of intellectual disabilities | ✓ |
| Z81.0 | Family history of intellectual disabilities | ✓ |
| Z81.1 | Family history of alcohol abuse and dependence | ✓ |
| Z81.1 | Family history of alcohol abuse and dependence | ✓ |
| Z81.2 | Family history of tobacco abuse and dependence | ✓ |
| Z81.2 | Family history of tobacco abuse and dependence | ✓ |
| Z81.3 | Family history of other psychoactive substance abuse and dependence | ✓ |
| Z81.3 | Family history of other psychoactive substance abuse and dependence | ✓ |
| Z81.4 | Family history of other substance abuse and dependence | ✓ |
| Z81.4 | Family history of other substance abuse and dependence | ✓ |
| Z81.8 | Family history of other mental and behavioral disorders | ✓ |
| Z81.8 | Family history of other mental and behavioral disorders | ✓ |
Frequently asked questions
What is ICD-10-CM code Z81?
Z81 is an ICD-10-CM category covering Family history of mental and behavioral disorders. It contains 12 more specific diagnosis codes, 12 of which are billable.
Is Z81 a billable code?
No — Z81 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example Z81.0 — Family history of intellectual disabilities). 12 of the 12 codes under Z81 are billable.
What codes fall under Z81?
Z81 includes Z81.0, Z81.0, Z81.1, Z81.1, Z81.2, plus 7 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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