2027 ICD-10-CM Diagnosis Code B37.2Candidiasis of skin and nail

ICD-10-CM Codes›A00–B99›B35-B49›B37

ICD-10-CM B37.2
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

B37.2 is a billable ICD-10-CM diagnosis code for candidiasis of skin and nail. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 606 through 607, 974 through 976. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Fungal infections and Other specified and unspecified skin disorders.

Code Identity

ICD-10-CM Code
B37.2
Billable Status
Yes — Valid for Submission
Code Describes
Candidiasis of skin and nail
Short Description
Candidiasis of skin and nail
Same as the full description in the CMS dataset.
Parent Code
Candidiasis

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB35-B49Mycoses
CategoryB37Candidiasis
This CodeB37.2Candidiasis of skin and nail

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Candidal intertrigo
  • Candidal paronychia
  • Candidiasis of finger web
  • Candidiasis of nails
  • Candidiasis of nipple
  • Candidiasis of skin
  • Genitocrural intertrigo
  • Genitocrural intertrigo caused by Candida
  • Granuloma gluteale infantum
  • Intertrigo
  • Mucocutaneous candidiasis
  • Nipple infection
  • Submammary monilia

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to B37.2: its own notes plus those printed at B37, 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.

From B37 Candidiasis applies to 17 codes
  • candidosis
  • moniliasis
From Chapter 1 (A00-B99) Certain infectious and parasitic diseases applies to 1,068 codes
  • diseases generally recognized as communicable or transmissible

Applicable To

Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.

  • Candidal onychia
  • Candidal paronychia

Excludes1

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

From B37 Candidiasis applies to 17 codes
  • 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.

On B37.2 itself
  • diaper dermatitis (L22)
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.

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR INF004
Fungal infections
Default principal diagnosis: inpatient No · outpatient No
CCSR SKN007
Other specified and unspecified skin disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

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

Nail Diseases

Your toenails and fingernails protect the tissues of your toes and fingers. They are made up of layers of a hardened protein called keratin, which is also in your hair and skin. The health of your nails can be a clue to your overall health. Healthy nails are usually smooth and consistent in color.

Read the full article at MedlinePlus

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

Convert B37.2 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
112.3 Cutaneous candidiasis
Exact Match The mapping is direct, with no qualifiers.

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 B37.2Overview

What is the ICD-10 code for candidiasis of skin and nail?

The ICD-10-CM code for candidiasis of skin and nail is B37.2 (sometimes written as B372). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is B37.2 (Candidiasis) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report candidiasis of skin and nail on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does B37.2 group to?

When candidiasis of skin and nail is the principal diagnosis on an inpatient stay, it groups to MS-DRG 974, 976, 607, 975, 606, with relative weights from 0.7879 to 3.0488 depending on complications. Higher weights mean higher Medicare reimbursement.

Can B37.2 be reported with P37.5?

Not as a rule. The Excludes1 note at B37, which applies to B37.2, 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).

What is the ICD-9 equivalent of B37.2?

Under the General Equivalence Mappings, candidiasis of skin and nail converts to ICD-9-CM 112.3 (cutaneous candidiasis). The mapping is a direct match.