2027 ICD-10-CM Diagnosis Code B37Candidiasis

ICD-10-CM Codes›A00–B99›B35-B49›B37

ICD-10-CM B37
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

B37 is a non-billable ICD-10-CM category code for candidiasis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as B37.0, B37.1, B37.2, and B37.31.

Code Identity

ICD-10-CM Code
B37
Billable Status
No — Non-Billable Category
Code Describes
Candidiasis
Short Description
Candidiasis
Same as the full description in the CMS dataset.
Chapter
B35-B49
Mycoses

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB35-B49Mycoses
CategoryB37Candidiasis
This CodeB37Candidiasis

Specific Coding for CandidiasisOverview

Non-specific codes like B37 require more characters. Use one of these billable codes instead:

  • Use B37.0 for Candidal stomatitis

  • Use B37.1 for Pulmonary candidiasis

  • Use B37.2 for Candidiasis of skin and nail

  • B37.3 for Candidiasis of vulva and vagina

  • Use B37.31 for Acute candidiasis of vulva and vagina

  • Use B37.32 for Chronic candidiasis of vulva and vagina

  • B37.4 for Candidiasis of other urogenital sites

  • Use B37.41 for Candidal cystitis and urethritis

  • Use B37.42 for Candidal balanitis

  • Use B37.49 for Other urogenital candidiasis

  • Use B37.5 for Candidal meningitis

  • Use B37.6 for Candidal endocarditis

  • Use B37.7 for Candidal sepsis

  • B37.8 for Candidiasis of other sites

  • Use B37.81 for Candidal esophagitis

  • Use B37.82 for Candidal enteritis

  • Use B37.83 for Candidal cheilitis

  • Use B37.84 for Candidal otitis externa

  • Use B37.89 for Other sites of candidiasis

  • Use B37.9 for Candidiasis, unspecified

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to B37: its own notes plus those printed at block B35-B49 and Chapter 1. A note printed at a category, block or chapter applies to every code under it.

Includes

Further defines, or gives examples of, the content of the category.

On B37 itself
  • candidosis
  • moniliasis
From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • diseases generally recognized as communicable or transmissible

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

  • neonatal candidiasis (P37.5)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Block B35-B49 Mycoses applies to 104 codes
  • hypersensitivity pneumonitis due to organic dust (J67.-)
  • mycosis fungoides (C84.0-)
From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • carrier or suspected carrier of infectious disease (Z22.-)
  • certain localized infections - see body system-related chapters
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)

Use Additional Code

Add a second code, after this one, to fully describe the condition.

From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • code to identify resistance to antimicrobial drugs (Z16.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Clinical InformationClinical

  • Candidiasis

    infection with a fungus of the genus candida. it is usually a superficial infection of the moist areas of the body and is generally caused by candida albicans. (dorland, 27th ed)

Patient EducationClinical

Yeast Infections

Candida is the scientific name for yeast. It is a fungus that lives almost everywhere, including in your body. Usually, your immune system keeps yeast under control. If you are sick or taking antibiotics, it can multiply and cause an infection.

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About B37Overview

What is the ICD-10 code for candidiasis?

B37 is the ICD-10-CM category for candidiasis, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

Is B37 (Candidiasis) a billable code?

No. This is a category header that groups the codes for candidiasis, and headers cannot be submitted on claims. Claims for candidiasis need a more specific code from this category, such as B37.0, B37.1, and B37.2.

Can B37 be reported with P37.5?

Not as a rule. The Excludes1 note on B37 lists "neonatal candidiasis (P37.5)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).