Z17.32
Billable codeHuman epidermal growth factor receptor 2 negative status
The ICD-10 code for human epidermal growth factor receptor 2 negative status is Z17.32.
Clinical notes
Also known as
Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.
- HER2-
Documentation support
General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.
- •As a general rule, code to the highest level of specificity supported by the documentation in the medical record.
Related codes in this category
- Z17.31Human epidermal growth factor receptor 2 positive status
- Z17.32Human epidermal growth factor receptor 2 negative status
Associated MS-DRGs
Z17.32 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.
Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.