Z17

ICD-10Non-billable category

Estrogen, and other hormones and factors receptor status

Official ICD-10-CM descriptor (FY2026)

Estrogen, and other hormones and factors receptor status

Z17 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Code first

Sequence the underlying condition before this code.

  • malignant neoplasm, such as:
  • malignant neoplasm of breast (C50.-)
  • malignant neoplasm of ovary (C56.-)

Notes

  • Use one code, as available, for each receptor: Z17.0, Z17.1, Z17.2-, Z17.3-

More specific codes under Z17

Where this code sits

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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