Z84.3
✓ Billable
Family history of consanguinity
ICD-10-CM · FY2026 · Factors Influencing Health Status
Code
Z84.3
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Factors Influencing Health Status
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Z84.3?
ICD-10-CM code Z84.3 represents Family history of consanguinity. It is a billable diagnosis code in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.
Is Z84.3 billable?
Yes. Z84.3 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Z84.3 in?
Z84.3 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.
How do I search for an ICD-10 code for family history of a condition?
If you are looking for a code documenting a patient's family history of a condition (not their own past diagnosis), Z84.3 (Family history of consanguinity) is in the correct Z80–Z84 family-history block. Family history codes are reported when a blood relative has had the condition, not the patient themselves.
Related codes in the Z84 category
Z84
Family history of other conditions
Non-billable
Z84.0
Family history of diseases of the skin and subcutaneous tissue
Billable
Z84.1
Family history of disorders of kidney and ureter
Non-billable
Z84.2
Family history of other diseases of the genitourinary system
Billable
Z84.8
Family history of other specified conditions
Non-billable
Z84.A
Family history of exposure to diethylstilbestrol
Billable
Z84.11
Family history of APOL1-mediated kidney disease [AMKD]
Billable
Z84.19
Family history of other disorders of kidney and ureter
Billable
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