B07.9 — Viral wart, unspecified
B07.9 is a billable, specific ICD-10-CM code for viral wart, unspecified. It is valid for submission on a claim.
Excludes2 inherited from the categories above B07.9
Also inherited, and the opposite of Excludes1: these conditions are not part of B07.9, but a patient can have both, so you may code both.
Risk adjustment
B07.9 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
B07.9 is named in 5 Medicare coverage policies — 5 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A55639Billing and Coding: Chemotherapy Agents for Non-Oncologic Conditions
- A56346Billing and Coding: Removal of Benign and Malignant Skin Lesions
- A57044Billing and Coding: Removal of Benign Skin Lesions
- A57161Billing and Coding: Benign Skin Lesion Removal (Excludes Actinic Keratosis, and Mohs)
How B07.9 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 B07.9.
- Verruca(due to HPV) (filiformis) (simplex) (viral) (vulgaris)
- Wart(due to HPV) (filiform) (infectious) (viral)
Code history
B07.9 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 B07. If B07.9 is not quite right, the correct code is usually one of these.
Questions about B07.9
- Is B07.9 a billable ICD-10-CM code?
- Yes. B07.9 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does B07.9 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Viral infections characterized by skin and mucous membrane lesions (B00-B09).