B37.2 — Candidiasis of skin and nail
B37.2 is a billable, specific ICD-10-CM code for candidiasis of skin and nail. It is valid for submission on a claim.
Excludes2 — not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- diaper dermatitis (L22)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Candidal onychia
- Candidal paronychia
Risk adjustment
B37.2 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
B37.2 is named in 2 Medicare coverage policies — 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A57221Billing and Coding: Plastic Surgery
- A57672Billing and Coding: Nail Debridement
How B37.2 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 B37.2.
- Erosio interdigitalis blastomycetica
- Candidiasis, candidal›intertrigo
- Candidiasis, candidal›nails
- Candidiasis, candidal›onychia
- Candidiasis, candidal›paronychia
- Candidiasis, candidal›perionyxis
- Candidiasis, candidal›skin
- Granuloma›candidal(cutaneous)
- Granuloma›monilial(cutaneous)
- Onychia›candidal
- Paronychia›candidal(chronic)
Related codes at this level
Codes that share B37. If B37.2 is not quite right, the correct code is usually one of these.
Questions about B37.2
- Is B37.2 a billable ICD-10-CM code?
- Yes. B37.2 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does B37.2 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Mycoses (B35-B49).