Z17.4

Non-Billable

ChapterZ00–Z99

Ranksubcategory

Official Description

Combined receptor status

Metadata & Insights

•2026 ICD-10-CM Edition - Effective October 1, 2025.
•Non-billable category (requires more specific sub-code).
•Chapter 21: Factors Influencing Health Status and Contact with Health Services (Z00-Z99).

General instructions are available for the parent sections:

View Z17 Notes

Clinical Hierarchy

CH21Factors influencing health status and contact with health services (Z00-Z99)

Z17Estrogen, and other hormones and factors receptor status

Z17.4Combined receptor status

Z17.41Hormone receptor positive

Z17.42Hormone receptor negative

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to Z17.4:

categoryZ17

Estrogen, and other hormones and factors receptor status

View context instructions

Alphabetic Index Mentions

These are Diagnosis Index lookup paths that route to Z17.4. Use them as entry terms for search, then confirm final coding instructions in the Tabular List and notes above.

5 raw paths

Status (post)4 unique routes

combined receptor(4 variants)

negative(2 variants)

hormone receptor negative with human epidermal growth factor receptor 2 negative→Z17.4

hormone receptor negative with human epidermal growth factor receptor 2 positive→Z17.4

positive(2 variants)

hormone receptor positive with human epidermal growth factor receptor 2 negative→Z17.4

hormone receptor positive with human epidermal growth factor receptor 2 positive→Z17.4

Triple1 unique routes

negative breast cancer (TNBC)→Z17.4

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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Find surgical and procedural codes related to Combined receptor status.

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