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B35

Non-billable

Dermatophytosis

B35 is the ICD-10-CM code for Dermatophytosis. It is a non-billable category code — use a more specific child code such as B35.0 for billing.

Status
Header (non-billable)
Chapter
A00-B99
Subcodes
9
Edition
FY2026

A00-B99 Certain infectious and parasitic diseases

What this means — in plain language

MedlinePlus · NIH

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. Some fungi reproduce through tiny spores in the air. You can inhale the spores or they can land on you. As a result, fungal…

Read more about Fungal Infections at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Includes

  • •favus
  • •infections due to species of Epidermophyton, Micro-sporum and Trichophyton
  • •tinea, any type except those in B36.-

Frequently asked questions

What is ICD-10 code B35?
B35 is the ICD-10-CM code for "Dermatophytosis". It falls under A00-B99 Certain infectious and parasitic diseases.
Is B35 a billable code?
No — B35 is a non-billable header code. Use a more specific child code (such as B35.0) for billing.
What are the subcodes of B35?
B35 has 9 more specific child codes, including B35.0, B35.1, B35.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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