B37.31 Acute candidiasis of vulva and vagina
The ICD-10-CM code for Acute candidiasis of vulva and vagina is B37.31 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- B35-B49: Mycoses (B35-B49)
- Category B37
- 21 codes (17 billable)
- FY2026 Status
- Stable since FY2024
Also Known As
ICD-10-CM Alphabetic Index entries that lead to B37.31:
- Vaginitis (acute) (circumscribed) (diffuse) (emphysematous) (nonvenereal) (ulcerative) › mycotic (candidal) (acute)
- Thrush › vaginal (acute)
- Vaginitis (acute) (circumscribed) (diffuse) (emphysematous) (nonvenereal) (ulcerative) › monilial (acute)
- Mycosis, mycotic › vagina, vaginitis (candidal) (acute)
- Candidiasis, candidal › vagina (acute)
- Vaginitis (acute) (circumscribed) (diffuse) (emphysematous) (nonvenereal) (ulcerative) › candidal (acute)
- Candidiasis, candidal › vulva (acute)
- Candidiasis, candidal › vulvovaginitis (acute)
Inclusion Terms
- Candidiasis of vulva and vagina NOS
U.S. Hospital Utilization
- An estimated 41,890 U.S. inpatient stays in 2023 included B37.31 among the documented diagnoses.
- 415 stays listed it as the principal diagnosis.
Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.
Official Coding Guidelines
HIV Infections (TOC entry)a. Human Immunodeficiency Virus (HIV) Infections .............................................................. 19
Infectious agents causing diseases in other chapters (TOC)b. Infectious agents as the cause of diseases classified to other chapters ................................. 22
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026