Is B37.3 a billable ICD-10-CM code?

No. B37.3 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does B37.3 sit in the tabular list?

Certain infectious and parasitic diseases (A00-B99), in the block Mycoses (B35-B49).

What cannot be coded together with B37.3?

B37.3 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 B37.3 (B37) and apply to it just the same.

B37.3

B37.3 — Candidiasis of vulva and vagina

Non-billable headerICD-10-CM

B37.3 is a non-billable header ICD-10-CM code for candidiasis of vulva and vagina. It cannot be billed on its own: choose one of the more specific child codes below.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Candidal vulvovaginitis
Monilial vulvovaginitis
Vaginal thrush

Excludes1 inherited from the categories above B37.3

These are not written on B37.3, but they bind it: a note on a category applies to every code beneath it. Billing B37.3 with anything listed here is a denial.

Written on B37 — Candidiasis

neonatal candidiasis (P37.5)

Other codes that can never be billed with B37.3

These codes carry an Excludes1 note pointing at B37.3. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading B37.3 alone.

N77.1Vaginitis, vulvitis and vulvovaginitis in diseases classified elsewhere

Risk adjustment

B37.3 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.

Code history

B37.3 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Code to one of these instead B37.3

2 child codes. Green means billable.

Related codes at this level

Codes that share B37. If B37.3 is not quite right, the correct code is usually one of these.

Questions about B37.3

Is B37.3 a billable ICD-10-CM code?: No. B37.3 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does B37.3 sit in the tabular list?: Certain infectious and parasitic diseases (A00-B99), in the block Mycoses (B35-B49).
What cannot be coded together with B37.3?: B37.3 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 B37.3 (B37) and apply to it just the same.