2026 ICD-10-CM Diagnosis Code B36Other superficial mycoses

ICD-10-CM Codes›A00–B99›B35-B49›B36

ICD-10-CM B36
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

B36 is a non-billable ICD-10-CM category code for other superficial mycoses, so it cannot be submitted on claims. Use a more specific code from this category instead, such as B36.0, B36.1, B36.2, and B36.3.

Code Identity

ICD-10-CM Code
B36
Billable Status
No — Non-Billable Category
Code Describes
Other superficial mycoses
Chapter
B35-B49
Mycoses

Code Classification

ChapterA00–B99Certain infectious and parasitic diseases
SectionB35-B49Mycoses
CategoryB36Other superficial mycoses
This CodeB36Other superficial mycoses

Specific Coding for Other superficial mycosesOverview

Non-specific codes like B36 require more characters. Use one of these billable codes instead:

  • Use B36.0 for Pityriasis versicolor

  • Use B36.1 for Tinea nigra

  • Use B36.2 for White piedra

  • Use B36.3 for Black piedra

  • Use B36.8 for Other specified superficial mycoses

  • Use B36.9 for Superficial mycosis, unspecified

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 B36Overview

Is B36 (Other superficial mycoses) a billable code?

No. This is a category header that groups the codes for other superficial mycoses, and headers cannot be submitted on claims. Claims for other superficial mycoses need a more specific code from this category, such as B36.0, B36.1, and B36.2.