D23.9 — Other benign neoplasm of skin, unspecified
D23.9 is a billable, specific ICD-10-CM code for other benign neoplasm of skin, unspecified. It is valid for submission on a claim.
Risk adjustment
D23.9 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
D23.9 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.
- A56695Billing and Coding: Implantable Infusion Pump
- A57044Billing and Coding: Removal of Benign Skin Lesions
- A57161Billing and Coding: Benign Skin Lesion Removal (Excludes Actinic Keratosis, and Mohs)
- A57452Billing and Coding: Peripheral Nerve Blocks
How D23.9 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 D23.9.
- Adenoma›apocrine›unspecified site
Related codes at this level
Codes that share D23. If D23.9 is not quite right, the correct code is usually one of these.
- D23.0Other benign neoplasm of skin of lip
- D23.1Other benign neoplasm of skin of eyelid, including canthus
- D23.2Other benign neoplasm of skin of ear and external auricular canal
- D23.3Other benign neoplasm of skin of other and unspecified parts of face
- D23.4Other benign neoplasm of skin of scalp and neck
- D23.5Other benign neoplasm of skin of trunk
- D23.6Other benign neoplasm of skin of upper limb, including shoulder
- D23.7Other benign neoplasm of skin of lower limb, including hip
Questions about D23.9
- Is D23.9 a billable ICD-10-CM code?
- Yes. D23.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does D23.9 sit in the tabular list?
- Neoplasms (C00-D49), in the block Benign neoplasms, except benign neuroendocrine tumors (D10-D36).