B37.2 Candidiasis of skin and nail

✓ Billable ICD-10-CM 2026
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The ICD-10-CM code for Candidiasis of skin and nail is B37.2 (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 B37.2:

  • Erosio interdigitalis blastomycetica
  • Candidiasis, candidal › paronychia
  • Candidiasis, candidal › onychia
  • Candidiasis, candidal › intertrigo
  • Candidiasis, candidal › nails
  • Candidiasis, candidal › skin
  • Candidiasis, candidal › perionyxis
  • Granuloma › candidal (cutaneous)
Excludes2
Not included here. These conditions are coded elsewhere but may be coded together if applicable.
  • diaper dermatitis (L22)

Inclusion Terms

  • Candidal onychia
  • Candidal paronychia

U.S. Hospital Utilization

  • An estimated 50,440 U.S. inpatient stays in 2023 included B37.2 among the documented diagnoses.
  • 400 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

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.a
Infectious agents causing diseases in other chapters (TOC)

b. Infectious agents as the cause of diseases classified to other chapters ................................. 22

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.1.b

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

Related Codes

Parent Code

B37 Candidiasis

Related Codes in B37

B37 Candidiasis B37.0 Candidal stomatitis B37.1 Pulmonary candidiasis B37.3 Candidiasis of vulva and vagina B37.31 Acute candidiasis of vulva and vagina B37.32 Chronic candidiasis of vulva and vagina B37.4 Candidiasis of other urogenital sites B37.41 Candidal cystitis and urethritis B37.42 Candidal balanitis B37.49 Other urogenital candidiasis B37.5 Candidal meningitis B37.6 Candidal endocarditis B37.7 Candidal sepsis B37.8 Candidiasis of other sites B37.81 Candidal esophagitis B37.82 Candidal enteritis B37.83 Candidal cheilitis B37.84 Candidal otitis externa B37.89 Other sites of candidiasis B37.9 Candidiasis, unspecified
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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