2026 ICD-10-CM Diagnosis Code Z81Family history of mental and behavioral disorders

ICD-10-CM Codes›Z00–Z99›Z77-Z99›Z81

ICD-10-CM Z81
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z81 is a non-billable ICD-10-CM category code for family history of mental and behavioral disorders, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z81.0, Z81.1, Z81.2, and Z81.3.

Code Identity

ICD-10-CM Code
Z81
Billable Status
No — Non-Billable Category
Code Describes
Family history of mental and behavioral disorders
Short Description
Family history of mental and behavioral disorders
Same as the full description in the CMS dataset.
Chapter
Z77-Z99
Persons with potential health hazards related to family and personal history and certain conditions influencing health status

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ77-Z99Persons with potential health hazards related to family and personal history and certain conditions influencing health status
CategoryZ81Family history of mental and behavioral disorders
This CodeZ81Family history of mental and behavioral disorders

Specific Coding for Family history of mental and behavioral disordersOverview

Non-specific codes like Z81 require more characters. Use one of these billable codes instead:

  • Use Z81.0 for Family history of intellectual disabilities

  • Use Z81.1 for Family history of alcohol abuse and dependence

  • Use Z81.2 for Family history of tobacco abuse and dependence

  • Use Z81.3 for Family history of other psychoactive substance abuse and dependence

  • Use Z81.4 for Family history of other substance abuse and dependence

  • Use Z81.8 for Family history of other mental and behavioral disorders

Patient EducationClinical

Family History

Your family history includes health information about you and your close relatives. Families have many factors in common, including their genes, environment, and lifestyle. Looking at these factors can help you figure out whether you have a higher risk for certain health problems, such as heart disease, stroke, and cancer.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z81Overview

Is Z81 (Family history of mental and behavioral disorders) a billable code?

No. This is a category header that groups the codes for family history of mental and behavioral disorders, and headers cannot be submitted on claims. Claims for family history of mental and behavioral disorders need a more specific code from this category, such as Z81.0, Z81.1, and Z81.2.