D22.20 — Melanocytic nevi of unspecified ear and external auricular canal
D22.20 is a billable, specific ICD-10-CM code for melanocytic nevi of unspecified ear and external auricular canal. It is valid for submission on a claim.
Other codes that can never be billed with D22.20
These codes carry an Excludes1 note pointing at D22.20. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading D22.20 alone.
- I78.1Nevus, non-neoplastic
Risk adjustment
D22.20 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
D22.20 is named in 6 Medicare coverage policies — 6 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57788Billing and Coding: Peripheral Nerve Blocks
- A57788Billing and Coding: Peripheral Nerve Blocks
- A59109Billing and Coding: MolDX: Molecular Assays for the Diagnosis of Cutaneous Melanoma
- A59163Billing and Coding: MolDX: Molecular Assays for the Diagnosis of Cutaneous Melanoma
Code history
D22.20 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 D22.2. If D22.20 is not quite right, the correct code is usually one of these.
Questions about D22.20
- Is D22.20 a billable ICD-10-CM code?
- Yes. D22.20 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D22.20 sit in the tabular list?
- Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).