C4A.60
C4A.60: Merkel cell carcinoma of unspecified upper limb, including shoulder
Billable / specific codeICD-10-CMunspecified
C4A.60 is a billable, specific ICD-10-CM code for merkel cell carcinoma of unspecified upper limb, including shoulder. It is valid for submission on a claim.
Check C4A.60 with the rest of the claim: free scrubberOther codes that can never be billed with C4A.60
Their own Excludes1 notes name this code, so the conflict is not listed above.
- C44Other and unspecified malignant neoplasm of skin
Risk adjustment
C4A.60 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 21 Lymphoma and Other Cancers0.671 RAF
Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.
Medicare coverage
C4A.60 is named in 33 Medicare coverage policies: 33 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A52479Oral Anticancer Drugs - Policy Article
- A56748Billing and Coding: White Cell Colony Stimulating Factors
- A56867Billing and Coding: Genomic Sequence Analysis Panels in the Treatment of Solid Organ Neoplasms
- A57638Billing and Coding: Destruction of Malignant Skin Lesions
Code history
Unchanged in every release from FY2024 to FY2027.