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).

What cannot be coded together with B37.2?

B37.2 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above B37.2 (B37) and apply to it just the same.

B37.2

B37.2 — Candidiasis of skin and nail

Billable / specific codeICD-10-CM

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

Excludes1 inherited from the categories above B37.2

These are not written on B37.2, but they bind it: a note on a category applies to every code beneath it. Billing B37.2 with anything listed here is a denial.

Written on B37 — Candidiasis

neonatal candidiasis (P37.5)

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)

Code history

B37.2 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 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).
What cannot be coded together with B37.2?: B37.2 carries Excludes1 notes, which means the conditions they list can never be coded together with it on the same encounter. Some are written on the categories above B37.2 (B37) and apply to it just the same.