2026 ICD-10-CM Diagnosis Code Z17Estrogen, and other hormones and factors receptor status

ICD-10-CM Codes›Z00–Z99›Z17›Z17

ICD-10-CM Z17
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

Z17 is a non-billable ICD-10-CM category code for estrogen, and other hormones and factors receptor status, so it cannot be submitted on claims. Use a more specific code from this category instead, such as Z17.0, Z17.1, Z17.21, and Z17.22.

Code Identity

ICD-10-CM Code
Z17
Billable Status
No — Non-Billable Category
Code Describes
Estrogen, and other hormones and factors receptor status
Short Description
Estrogen, and other hormones and factors receptor status
Same as the full description in the CMS dataset.
Chapter
Z17
Estrogen, and other hormones and factors receptor status

Code Classification

ChapterZ00–Z99Factors influencing health status and contact with health services
SectionZ17Estrogen, and other hormones and factors receptor status
CategoryZ17Estrogen, and other hormones and factors receptor status
This CodeZ17Estrogen, and other hormones and factors receptor status

Specific Coding for Estrogen, and other hormones and factors receptor statusOverview

Non-specific codes like Z17 require more characters. Use one of these billable codes instead:

  • Use Z17.0 for Estrogen receptor positive status [ER+]

  • Use Z17.1 for Estrogen receptor negative status [ER-]

  • Z17.2 for Progesterone receptor status

  • Use Z17.21 for Progesterone receptor positive status

  • Use Z17.22 for Progesterone receptor negative status

  • Z17.3 for Human epidermal growth factor 2 receptor

  • Use Z17.31 for Human epidermal growth factor receptor 2 positive status

  • Use Z17.32 for Human epidermal growth factor receptor 2 negative status

  • Z17.4 for Combined receptor status

  • Z17.41 for Hormone receptor positive

  • Z17.42 for Hormone receptor negative

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Code First

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  • malignant neoplasm of ovary C56

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Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About Z17Overview

Is Z17 (Estrogen, and other hormones and factors receptor status) a billable code?

No. This is a category header that groups the codes for estrogen, and other hormones and factors receptor status, and headers cannot be submitted on claims. Claims for estrogen, and other hormones and factors receptor status need a more specific code from this category, such as Z17.0, Z17.1, and Z17.21.