Z15
⚠ Non-billable (Header)Genetic susceptibility to disease
Factors influencing health status and contact with health services (Z00-Z99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
ℹ️ Includes
- • confirmed abnormal gene
❌ Excludes1
directThese codes are mutually exclusive. Never code them together.
- • chromosomal anomalies (Q90-Q99)
📋 Code Instructions
direct- • code, if applicable, for any associated family history of the disease (Z80-Z84)
Child Codes (5)
Clinical Description
ICD-10-CM code Z15 represents genetic susceptibility to disease. This code falls under the Factors influencing health status and contact with health services (Z00-Z99) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
Frequently Asked Questions
What is ICD-10 code Z15?
ICD-10-CM code Z15 is "Genetic susceptibility to disease". It belongs to the category: Factors influencing health status and contact with health services (Z00-Z99).
Is Z15 a billable ICD-10 code?
No, Z15 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with Z15?
Z15 has 1 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
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Add Z15 to the Excludes Checker to validate against your full code list.
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)