2026 ICD-10-CM Diagnosis Code B41Paracoccidioidomycosis

ICD-10-CM Codes›A00–B99›B35-B49›B41

ICD-10-CM B41
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B41 is a non-billable ICD-10-CM category code for paracoccidioidomycosis, so it cannot be submitted on claims. Use a more specific code from this category instead, such as B41.0, B41.7, B41.8, and B41.9.

Code Identity

ICD-10-CM Code
B41
Billable Status
No — Non-Billable Category
Code Describes
Paracoccidioidomycosis
Chapter
B35-B49
Mycoses

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB35-B49Mycoses
CategoryB41Paracoccidioidomycosis
This CodeB41Paracoccidioidomycosis

Specific Coding for ParacoccidioidomycosisOverview

Non-specific codes like B41 require more characters. Use one of these billable codes instead:

  • Use B41.0 for Pulmonary paracoccidioidomycosis

  • Use B41.7 for Disseminated paracoccidioidomycosis

  • Use B41.8 for Other forms of paracoccidioidomycosis

  • Use B41.9 for Paracoccidioidomycosis, unspecified

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Includes

  • Brazilian blastomycosis
  • Lutz' disease

Clinical InformationClinical

  • Paracoccidioidomycosis

    a mycosis affecting the skin, mucous membranes, lymph nodes, and internal organs. it is caused most often by paracoccidioides brasiliensis. it is also called paracoccidioidal granuloma.

  • Paracoccidioidomycosis

    a systemic fungal infection caused by paracoccidioides brasiliensis that is most often seen in immunocompromised patients. it affects the mucous membranes, lymph nodes, lungs and bones.

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 B41Overview

Is B41 (Paracoccidioidomycosis) a billable code?

No. This is a category header that groups the codes for paracoccidioidomycosis, and headers cannot be submitted on claims. Claims for paracoccidioidomycosis need a more specific code from this category, such as B41.0, B41.7, and B41.8.