2027 ICD-10-CM Diagnosis Code B41Paracoccidioidomycosis

ICD-10-CM Codes›A00–B99›B35-B49›B41

ICD-10-CM B41
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

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

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to B41: 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.

On B41 itself
  • Brazilian blastomycosis
  • Lutz' disease
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.

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.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name B41, its category, or a range that includes it.

Excludes1 1

These codes carry an Excludes1 note naming B41: they are not reported together with it, unless the two conditions are unrelated.

  • B40 Blastomycosis
    Brazilian blastomycosis (B41.-)

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.

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 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About B41Overview

What is the ICD-10 code for paracoccidioidomycosis?

B41 is the ICD-10-CM category for paracoccidioidomycosis, but it is a non-billable header: claims need a more specific code from this category, listed on this page.

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.