Z84 – Family history of other conditions

ICD-10-CM 2027 diagnosis code · Persons with potential health hazards related to family and personal history and certain conditions influencing health status

Non-billable header

ICD-10-CM code Z84

Code: Z84 (claims format: Z84)
Description: Family history of other conditions
Billable: No – use a more specific code below
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

Billable codes under Z84

Z84 is a header code and cannot be used on claims. Choose the most specific code:

Z84.0 – Family history of diseases of the skin and subcutaneous tissueBillable
Z84.1 – Family history of disorders of kidney and ureterHeader (more codes below)
Z84.2 – Family history of other diseases of the genitourinary systemBillable
Z84.3 – Family history of consanguinityBillable
Z84.8 – Family history of other specified conditionsHeader (more codes below)
Z84.A – Family history of exposure to diethylstilbestrolBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block Z77-Z99

Code also:

any follow-up examination (Z08-Z09)

Frequently asked questions

What is ICD-10 code Z84?

Z84 is the ICD-10-CM code for family history of other conditions, in the block Z77-Z99 (Persons with potential health hazards related to family and personal history and certain conditions influencing health status).

Is Z84 a billable code?

No. Z84 is a header code with more specific child codes; report one of the billable codes listed above.

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.