D03.22
D03.22: Melanoma in situ of left ear and external auricular canal
Billable / specific codeICD-10-CMleft
D03.22 is a billable, specific ICD-10-CM code for melanoma in situ of left ear and external auricular canal. It is valid for submission on a claim.
Check D03.22 with the rest of the claim: free scrubberOther codes that can never be billed with D03.22
Their own Excludes1 notes name this code, so the conflict is not listed above.
Risk adjustment
D03.22 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:
- HCC 23 Prostate, Breast, and Other Cancers and Tumors0.186 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
D03.22 is named in 39 Medicare coverage policies: 39 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
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Code history
Unchanged in every release from FY2024 to FY2027.