Is D04.22 a billable ICD-10-CM code?

Yes. D04.22 is a billable, specific ICD-10-CM code and is valid for submission on a claim.

Where does D04.22 sit in the tabular list?

Neoplasms (C00-D49), in the block In situ neoplasms (D00-D09).

D04.22

D04.22 — Carcinoma in situ of skin of left ear and external auricular canal

Billable / specific codeICD-10-CMleft

D04.22 is a billable, specific ICD-10-CM code for carcinoma in situ of skin of left ear and external auricular canal. It is valid for submission on a claim.

Risk adjustment

D04.22 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

D04.22 is named in 38 Medicare coverage policies — 38 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

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A53883Billing and Coding: Mohs Micrographic Surgery (MMS)
A54768Billing and Coding: Cardiac Blood Pool Imaging (Multiple Gated Acquisition Scanning- MUGA, Ventriculography) When Performed in Conjunction with Cardiotoxic Chemotherapy
A56346Billing and Coding: Removal of Benign and Malignant Skin Lesions

Code history

D04.22 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share D04.2. If D04.22 is not quite right, the correct code is usually one of these.

Questions about D04.22

Is D04.22 a billable ICD-10-CM code?: Yes. D04.22 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does D04.22 sit in the tabular list?: Neoplasms (C00-D49), in the block In situ neoplasms (D00-D09).