Z83.2 Family history of diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
The ICD-10-CM code for Family history of diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism is Z83.2 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- Z77-Z99: Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
- Category Z83
- 26 codes (19 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to Z83.2:
- History › family (of) › anemia
- History › family (of) › disease or disorder (of) › hematological
- History › family (of) › disease or disorder (of) › immune mechanism
- History › family (of) › disease or disorder (of) › blood and blood-forming organs
Inclusion Terms
- Conditions classifiable to D50-D89
U.S. Hospital Utilization
- An estimated 60,145 U.S. inpatient stays in 2023 included Z83.2 among the documented diagnoses.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
Used with any code in range A00.0-T88.9, Z00-Z991) Used with any code in the range of A00.0-T88.9, Z00-Z99 An external cause code may be used with any code in the range of A00.0-T88.9, Z00-Z99, classification that represents a health condition due to an external cause. Though they are most applicable to injuries, they are also valid for use with such things as infections or diseases due to an external source, and other health conditions, such as a heart attack that occurs during strenuous physical activity.
Additional codes with observation code (fragment)observation code, but only if they are unrelated to the suspected condition being observed.
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026