2027 ICD-10-CM Diagnosis Code B47Mycetoma

ICD-10-CM Codes›A00–B99›B35-B49›B47

ICD-10-CM B47
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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
Short Description
Mycetoma
Same as the full description in the CMS dataset.
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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to B47: 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.

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

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 B47 itself
  • pulmonary mycetoma (J4B)
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

  • 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.

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 History & ChangesHistory

Replaced This code was replaced in the FY 2027 code set by:

  • J4B - Pulmonary mycetoma
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 B47Overview

What is the ICD-10 code for mycetoma?

B47 is the ICD-10-CM category for mycetoma, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

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.