B37.31 – Acute candidiasis of vulva and vagina

ICD-10-CM 2027 diagnosis code · Mycoses

Billable code

ICD-10-CM code B37.31

Code: B37.31 (claims format: B3731)
Description: Acute candidiasis of vulva and vagina
Billable: Yes – valid for HIPAA-covered transactions
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 1. Certain infectious and parasitic diseases (A00-B99)
Block: B35-B49 Mycoses
Parent codes: B37 › B37.3

Notes for B37.31

Applicable to:

Candidiasis of vulva and vagina NOS

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

B37 – Candidiasis

Includes:

candidosis
moniliasis

Excludes1 (not coded here):

neonatal candidiasis (P37.5)

B37.3 – Candidiasis of vulva and vagina

Applicable to:

Candidal vulvovaginitis
Monilial vulvovaginitis
Vaginal thrush

Block B35-B49

Excludes2 (not included here):

hypersensitivity pneumonitis due to organic dust (J67.-)
mycosis fungoides (C84.0-)

Index terms for B37.31

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in B37.3

B37.32 – Chronic candidiasis of vulva and vaginaBillable

Frequently asked questions

What is ICD-10 code B37.31?

B37.31 is the ICD-10-CM code for acute candidiasis of vulva and vagina, in the block B35-B49 (Mycoses).

Is B37.31 a billable code?

Yes. B37.31 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does B37.31 belong to?

It belongs to category B37 – Candidiasis.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.