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Z17

⚠ Non-billable (Header)

Estrogen, and other hormones and factors receptor status

Factors influencing health status and contact with health services (Z00-Z99)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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📋 Code Instructions

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

Child Codes (5)

Z17.0Estrogen receptor positive status [ER+]Z17.1Estrogen receptor negative status [ER-]Z17.2Progesterone receptor statusZ17.3Human epidermal growth factor 2 receptorZ17.4Combined receptor status

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Code Information

CodeZ17
BillableNo — Header code
CategoryFactors influencing health status and contact with health services (Z00-Z99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes5

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)