Z17.1
Z17.1: Estrogen receptor negative status [ER-]
Billable / specific codeICD-10-CMPOA exempt
Z17.1 is a billable, specific ICD-10-CM code for estrogen receptor negative status [er-]. It is valid for submission on a claim.
Check Z17.1 with the rest of the claim: free scrubberRisk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
Z17.1 is named in 5 Medicare coverage policies: 5 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A53104Billing and Coding: MolDX: MammaPrint
- A54194Billing and Coding: MolDX: MammaPrint
- A54445Billing and Coding: MolDX: MammaPrint
- A55175Billing and Coding: MolDX: MammaPrint®
Alphabetic index entries that lead here
- Status›estrogen receptor›negative
Code history
Unchanged in every release from FY2024 to FY2027.