Guidelines › Personal and family history Z codes

Personal and family history Z codes

Official text from the FY2027 ICD-10-CM Official Guidelines for Coding and Reporting. The wording is quoted exactly.

Guidelines I.C.21.c.4

“History codes are also acceptable on any medical record regardless of the reason for visit.”

“The reason for the encounter (for example, screening or counseling) should be sequenced first and the appropriate personal and/or family history code(s) should be assigned as additional diagnos(es).”

Where this applies

Z80–Z84Z86.-Z87.-

157 billable codes. Source: FY 2027 ICD-10-CM Official Guidelines for Coding and Reporting, effective October 1, 2026. Full Guidelines (PDF, CMS)

The Guidelines are the authority for assigning codes, and following them is required under HIPAA. This page quotes them for convenience and is not a substitute for the official document. See the Terms and Disclaimer.