Z81.8

ICD-10Billable

Family history of other mental and behavioral disorders

Official ICD-10-CM descriptor (FY2026)

Family history of other mental and behavioral disorders

Z81.8 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Conditions classifiable elsewhere in F01-F99

Related codes in Z81

Where this code sits

Chapter: 21. Factors influencing health status and contact with health services (Z00-Z99)
Block: Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
Parent code: Z81

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.