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Z15

Non-billable

Genetic susceptibility to disease

Z15 is the ICD-10-CM code for Genetic susceptibility to disease. It is a non-billable category code — use a more specific child code such as Z15.0 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Subcodes
5
Edition
FY2026

Z00-Z99 Factors influencing health status and contact with health services

Includes

  • •confirmed abnormal gene

Excludes1 — not coded here

  • •chromosomal anomalies (Q90-Q99)

Use additional code

  • •code, if applicable, for any associated family history of the disease (Z80-Z84)

Frequently asked questions

What is ICD-10 code Z15?
Z15 is the ICD-10-CM code for "Genetic susceptibility to disease". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z15 a billable code?
No — Z15 is a non-billable header code. Use a more specific child code (such as Z15.0) for billing.
What are the subcodes of Z15?
Z15 has 5 more specific child codes, including Z15.0, Z15.1, Z15.2.
What is excluded from Z15?
Excludes1 (not coded here): chromosomal anomalies (Q90-Q99).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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