Z51.11
Z51.11: Encounter for antineoplastic chemotherapy
Billable / specific codeICD-10-CMPOA exempt
Z51.11 is a billable, specific ICD-10-CM code for encounter for antineoplastic chemotherapy. It is valid for submission on a claim.
Check Z51.11 with the rest of the claim: free scrubberExcludes1 inherited from the categories above Z51.11
A category’s note binds every code beneath it.
Excludes2 inherited from the categories above Z51.11
Not part of this code, but both may be coded when both are present.
Written on Z51.1: Encounter for antineoplastic chemotherapy and immunotherapy
- encounter for chemotherapy and immunotherapy for nonneoplastic condition - code to condition
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
Z51.11 is named in 20 Medicare coverage policies: 20 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52480Oral Antiemetic Drugs (Replacement for Intravenous Antiemetics) - Policy Article
- A56416Billing and Coding: Assays for Vitamins and Metabolic Function
- A56462Billing and Coding: Erythropoiesis Stimulating Agents (ESA)
- A56494Billing and Coding: Cardiovascular Nuclear Medicine
Alphabetic index entries that lead here
- Chemotherapy›cancer
- Chemotherapy›neoplasm
- Encounter›chemotherapy for neoplasm
- Maintenance›antineoplastic chemotherapy
Code history
Unchanged in every release from FY2024 to FY2027.