Z84.3 – Family history of consanguinity
ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to family and personal history and certain conditions influencing health status
- Code
Z84.3(claims format:Z843)- Description
- Family history of consanguinity
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 21. Factors influencing health status and contact with health services (Z00-Z99)
- Block
- Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status
- Parent codes
- Z84
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
Block Z77-Z99
Index terms for Z84.3
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in Z84
- Z84.0 – Family history of diseases of the skin and subcutaneous tissueBillable
- Z84.1 – Family history of disorders of kidney and ureterHeader
- Z84.2 – Family history of other diseases of the genitourinary systemBillable
- Z84.8 – Family history of other specified conditionsHeader
- Z84.A – Family history of exposure to diethylstilbestrolBillable
Frequently asked questions
What is ICD-10 code Z84.3?
Z84.3 is the ICD-10-CM code for family history of consanguinity, in the block Z77-Z99 (Persons with potential health hazards related to family and personal history and certain conditions influencing health status).
Is Z84.3 a billable code?
Yes. Z84.3 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Z84.3 belong to?
It belongs to category Z84 – Family history of other conditions.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.