ICD-10-CM B35: Dermatophytosis

ICD-10-CM Diagnosis Code (2025)

Official Description for B35

Dermatophytosis

Coding Notes & Guidelines for B35

Includes Notes
  • favus
  • infections due to species of Epidermophyton, Micro-sporum and Trichophyton
  • tinea, any type except those in B36.-
Inclusion Terms
  • Beard ringworm
  • Kerion
  • Scalp ringworm
  • Sycosis, mycotic
Inclusion Terms
  • Dermatophytic onychia
  • Dermatophytosis of nail
  • Onychomycosis
  • Ringworm of nails
Inclusion Terms
  • Dermatophytosis of hand
  • Hand ringworm
Inclusion Terms
  • Athlete's foot
  • Dermatophytosis of foot
  • Foot ringworm
Inclusion Terms

Ringworm of the body

Inclusion Terms

Tokelau

Inclusion Terms
  • Dhobi itch
  • Groin ringworm
  • Jock itch
Inclusion Terms
  • Disseminated dermatophytosis
  • Granulomatous dermatophytosis
Inclusion Terms

Ringworm NOS

Child Codes (More Specific Codes for B35):

B35.0 - Tinea barbae and tinea capitis B35.1 - Tinea unguium B35.2 - Tinea manuum B35.3 - Tinea pedis B35.4 - Tinea corporis B35.5 - Tinea imbricata B35.6 - Tinea cruris B35.8 - Other dermatophytoses B35.9 - Dermatophytosis, unspecified

About ICD-10-CM Code B35 (Dermatophytosis)

ICD-10-CM code B35 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM B35 became effective on October 1, 2024.

This page provides detailed information about B35 - Dermatophytosis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Dermatophytosis.