Z81.8 Family history of other mental and behavioral disorders
Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.
Applicable to
Conditions classifiable elsewhere in F01-F99
MS-DRG index
Defines the logic of DRG(s) 795 in MDC 15.
Approximate ICD-9-CM (GEMs)
V17.0 Family history of psychiatric condition
Medicare Code Edits (MCE v43.1 (April 2026))
Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.
Code annotations containing back-references to Z81.8
Back-references to Z81
Use Additional: Z15 Genetic susceptibility to disease ("code, if applicable, for any associated family history of the disease (Z80-Z84)")
Diagnosis Index entries for Z81.8
History › family (of) › disease or disorder (of) › behavioral NEC
History › family (of) › disease or disorder (of) › mental NEC
History › family (of) › disease or disorder (of) › psychiatric NEC
History › family (of) › mental › disorder NEC
History › family (of) › psychiatric disorder
History › family (of) › self-harmful behavior
History › family (of) › violence, violent behavior
Parasuicide (attempt) › history of (personal) › in family
Self-harm (attempted) › history (personal) › in family
Self-mutilation (attempted) › history (personal) › in family
Self-poisoning › history (personal) › in family
Suicide, suicidal (attempted) › history of (personal) › in family