Z17.3 — Human epidermal growth factor 2 receptor
Not billable
Is Z17.3 billable?
No — Z17.3 is a non-billable header code. Z17.3 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 2 billable codes beneath Z17.3.
Billable codes under this header
Z17.3 at a glance
| Code | Z17.3 |
|---|---|
| Description | Human epidermal growth factor 2 receptor |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Code first — inherited from Z17
The underlying condition below must be sequenced before Z17.3. Z17.3 describes a manifestation and cannot be the principal or first-listed diagnosis.
What codes fall under Z17.3? (2)
How long has Z17.3 existed?
Z17.3 first appears in FY2025.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.