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B37.0 — Candidal stomatitis
B37.0
What this code means
Oral thrush: a yeast (Candida) infection causing white patches inside the mouth.
Also called: oral thrush, candidal stomatitis.
When this code is used
Used for candidiasis of the mouth.
Where it sits in ICD-10-CM
Code B37.0 belongs to Chapter 1: Infectious and parasitic diseases, which covers codes A00–B99 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.
Frequently asked questions
What is ICD-10-CM code B37.0?
B37.0 is the ICD-10-CM diagnosis code for “Candidal stomatitis”. Oral thrush: a yeast (Candida) infection causing white patches inside the mouth.
When is code B37.0 used?
Used for candidiasis of the mouth. It belongs to Chapter 1 of ICD-10-CM (Infectious and parasitic diseases).
This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.