Hormone receptor negative
- Z17.42 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- ICD-10-CM Z17.42 is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
- This is the American ICD-10-CM version of Z17.42 – other international versions of ICD-10 Z17.42 may differ.
Applicable To
- HR-
The following code(s) above Z17.42 contain annotation back-references
that may be applicable to Z17.42:
- Z00-Z99 Factors influencing health status and contact with health services
- Z17 Estrogen, and other hormones and factors receptor status
- Z17.4 Combined receptor status
Code History
- 2025 (effective 10/1/2024): New code