Family history of mental and behavioral disorders (Z81) ICD-10-CM
The Z81 code range covers family history of mental and behavioral disorders with 7 ICD-10-CM diagnosis codes. 6 of them are billable and valid for claim submission in fiscal year 2026, and the category headers group them but cannot themselves be billed.
Codes in the Z81 Range 7 codes · 6 billable
- Z81 Family history of mental and behavioral disordersNon-billable
- Z81.0 Family history of intellectual disabilities
- Z81.1 Family history of alcohol abuse and dependence
- Z81.2 Family history of tobacco abuse and dependence
- Z81.3 Family history of other psychoactive substance abuse and dependence
- Z81.4 Family history of other substance abuse and dependence
- Z81.8 Family history of other mental and behavioral disorders
About the Z81 Code Range
The ICD-10 code Z81 series is used to document the personal family history of various mental and behavioral disorders. These codes help healthcare professionals track inherited risks or family trends related to intellectual disabilities, substance abuse, and other psychiatric conditions.
The general code Z81 represents a family history of mental and behavioral disorders without further specification. More specific codes clarify the type of family history: for example, Z81.0 covers intellectual disabilities, also known as learning disabilities, which include a family history such as a father or other relatives with intellectual impairment. Z81.1 addresses a family history of alcohol abuse and dependence, encompassing terms like alcoholism, substance abuse, and parental alcohol problems. Tobacco dependence in the family, indicated by phrases such as “father smokes” or “maternal tobacco abuse,” is coded as Z81.2. Other psychoactive substances and non-alcohol, non-tobacco substance abuse histories in family members fall under Z81.3 and Z81.4. Lastly, Z81.8 captures a broad range of other mental health family histories, including depression, schizophrenia, anxiety, autism, and eating disorders. Understanding these distinctions aids accurate coding for patient records and risk assessment, making the ICD-10 code for family history of mental and behavioral disorders a valuable tool in clinical practice.
Questions About This Page
How many billable codes are in the Z81 range?
Of the 7 codes in this range, 6 are billable and valid for claim submission from October 1, 2025 through September 30, 2026. Category header codes group them but cannot be reported on claims.
What does the Z81 range classify?
The range classifies family history of mental and behavioral disorders. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2026 ICD-10-CM Tabular List and order file, effective October 1, 2025 through September 30, 2026.
