Z17
⚠ Non-billable
Estrogen, and other hormones and factors receptor status
ICD-10-CM · FY2026 · Factors Influencing Health Status
Code
Z17
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Factors Influencing Health Status
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Official coding notes
From CMS's ICD-10-CM Tabular List.
Code first
- malignant neoplasm, such as:
- malignant neoplasm of breast (C50.-)
- malignant neoplasm of ovary (C56.-)
Note
- Use one code, as available, for each receptor: Z17.0, Z17.1, Z17.2-, Z17.3-
Frequently asked questions
What is ICD-10 code Z17?
ICD-10-CM code Z17 represents Estrogen, and other hormones and factors receptor status. It is a non-billable header code requiring a more specific subcategory in the Factors Influencing Health Status chapter, effective October 1, 2025 – September 30, 2026.
Is Z17 billable?
No. Z17 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is Z17 in?
Z17 belongs to the Factors Influencing Health Status chapter (Z00–Z99) of ICD-10-CM.
Related codes in the Z17 category
Z17.0
Estrogen receptor positive status [ER+]
Billable
Z17.1
Estrogen receptor negative status [ER-]
Billable
Z17.2
Progesterone receptor status
Non-billable
Z17.3
Human epidermal growth factor 2 receptor
Non-billable
Z17.4
Combined receptor status
Non-billable
Z17.21
Progesterone receptor positive status
Billable
Z17.22
Progesterone receptor negative status
Billable
Z17.31
Human epidermal growth factor receptor 2 positive status
Billable
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