B35Header code — not billable

Dermatophytosis

Chapter
1. Certain infectious and parasitic diseases
Category
B35
Effective date
October 1, 2026

Related codes in category B35

B35.0Tinea barbae and tinea capitisYesB35.1Tinea unguiumYesB35.2Tinea manuumYesB35.3Tinea pedisYesB35.4Tinea corporisYesB35.5Tinea imbricataYesB35.6Tinea crurisYesB35.8Other dermatophytosesYesB35.9Dermatophytosis, unspecifiedYes

Frequently asked questions

What is ICD-10 code B35?

B35 is an ICD-10-CM diagnosis code for Dermatophytosis.

Is B35 a billable code?

No. B35 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is B35 in?

B35 falls under Chapter 1: Certain infectious and parasitic diseases.

When did B35 become effective?

B35 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to B35?

B35 belongs to category B35, which includes 9 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.