ICD-10-CM category
Z17
Z17 is a category, not a billable code. Report one of the 10 complete codes below (category title not published in the source file).
Codes in Z17
- Z17.0Estrogen receptor positive status [ER+]
- Z17.1Estrogen receptor negative status [ER-]
- Z17.21Progesterone receptor positive status
- Z17.22Progesterone receptor negative status
- Z17.31Human epidermal growth factor receptor 2 positive status
- Z17.32Human epidermal growth factor receptor 2 negative status
- Z17.410Hormone receptor positive with human epidermal growth factor receptor 2 positive status
- Z17.411Hormone receptor positive with human epidermal growth factor receptor 2 negative status
- Z17.420Hormone receptor negative with human epidermal growth factor receptor 2 positive status
- Z17.421Hormone receptor negative with human epidermal growth factor receptor 2 negative status
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ICD-10-CM is developed by the National Center for Health Statistics (NCHS), Centers for Disease Control and Prevention, U.S. Department of Health and Human Services, and is based on the WHO ICD-10. Codes and titles are reproduced unchanged from the FY2026 code list (effective 1 October 2025). Their use here does not imply endorsement by CDC, HHS or the U.S. Government. Changes effective on or after 1 October 2026 may not be reflected yet; check the current release at cdc.gov or cms.gov before submitting claims.
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