D10.30 — Benign neoplasm of unspecified part of mouth
D10.30 is a billable, specific ICD-10-CM code for benign neoplasm of unspecified part of mouth. It is valid for submission on a claim.
Risk adjustment
D10.30 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
D10.30 is named in 8 Medicare coverage policies — 8 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56580Billing and Coding: Computerized Axial Tomography (CT), Thorax
- A56695Billing and Coding: Implantable Infusion Pump
- A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
- A57044Billing and Coding: Removal of Benign Skin Lesions
How D10.30 is indexed
Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to D10.30.
- Nevus›mouth(mucosa)
- Nevus›oral mucosa
Related codes at this level
Codes that share D10.3. If D10.30 is not quite right, the correct code is usually one of these.
Questions about D10.30
- Is D10.30 a billable ICD-10-CM code?
- Yes. D10.30 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D10.30 sit in the tabular list?
- Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).