Z15Header code — not billable

Genetic susceptibility to disease

Chapter
21. Factors influencing health status and contact with health services
Category
Z15
Effective date
October 1, 2026

Related codes in category Z15

Frequently asked questions

What is ICD-10 code Z15?

Z15 is an ICD-10-CM diagnosis code for Genetic susceptibility to disease.

Is Z15 a billable code?

No. Z15 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is Z15 in?

Z15 falls under Chapter 21: Factors influencing health status and contact with health services.

When did Z15 become effective?

Z15 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to Z15?

Z15 belongs to category Z15, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.