Is Z17 a billable code?
No. Z17 is a header code that groups 10 more specific codes. Use one of the billable codes listed on this page instead.
ICD-10-CM FY2027 diagnosis code
Z17: Estrogen, and other hormones and factors receptor status
Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027
Z17 groups related diagnoses under estrogen, and other hormones and factors receptor status. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.
Billable codes under 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
Z17 questions
What does Z17 mean?
Z17 is the ICD-10-CM code for Estrogen, and other hormones and factors receptor status. It is in chapter 22, Factors influencing health status and contact with health services (Z00-Z99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.