2026
ICD-10-CM
Diagnosis
Code

Z17.31 Human epidermal growth factor receptor 2 positive status

  • Billable
  • POA Exempt
  • 2025–2026

Z17.31 is a billable/specific and POA-exempt diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Human epidermal growth factor receptor 2 positive status.

Inclusion term

  • HER2+

Versions

  1. 2026

    No changes

  2. 2025

    New code