2026 ICD-10-CM Diagnosis Code B47Mycetoma

ICD-10-CM Codes›A00–B99›B35-B49›B47

ICD-10-CM B47
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B47 is a non-billable ICD-10-CM category code for mycetoma, so it cannot be submitted on claims. Use a more specific code from this category instead, such as B47.0, B47.1, and B47.9.

Code Identity

ICD-10-CM Code
B47
Billable Status
No — Non-Billable Category
Code Describes
Mycetoma
Chapter
B35-B49
Mycoses

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB35-B49Mycoses
CategoryB47Mycetoma
This CodeB47Mycetoma

Specific Coding for MycetomaOverview

Non-specific codes like B47 require more characters. Use one of these billable codes instead:

  • Use B47.0 for Eumycetoma

  • Use B47.1 for Actinomycetoma

  • Use B47.9 for Mycetoma, unspecified

Clinical InformationClinical

  • Mycetoma

    a chronic progressive subcutaneous infection caused by species of fungi (eumycetoma), or actinomycetes (actinomycetoma). it is characterized by tumefaction, abscesses, and tumor-like granules representing microcolonies of pathogens, such as madurella fungi and bacteria actinomycetes, with different grain colors.

  • Actinomycetoma

    a chronic granulomatous inflammation involving the deep dermis and the subcutaneous tissues. it is caused by actinomycetes bacteria.

  • Madurella mycetomatis|MADURELLA MYCETOMATIS|Madurella ikedae|Madurella mycetomi|Streptotrix mycetomatis

    a species of fungi in the phylum ascomycota characterized by brown diffusible pigment that is produced in primary cultures and the occasional presence of phialides. this species is a causative agent of eumycetoma.

  • Mycetoma

    a chronic granulomatous inflammation involving the deep dermis and the subcutaneous tissues. it is caused by fungi and actinomycetes.

Patient EducationClinical

Fungal Infections

If you have ever had athlete's foot or a yeast infection, you can blame a fungus. A fungus is a primitive organism. Mushrooms, mold and mildew are examples. Fungi live in air, in soil, on plants and in water. Some live in the human body. Only about half of all types of fungi are harmful.

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 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About B47Overview

Is B47 (Mycetoma) a billable code?

No. This is a category header that groups the codes for mycetoma, and headers cannot be submitted on claims. Claims for mycetoma need a more specific code from this category, such as B47.0, B47.1, and B47.9.