B35.9 Dermatophytosis, unspecified

Billable ICD-10-CM code, FY2026.

Applicable to

• Ringworm NOS

Applies from B35 Dermatophytosis

Includes

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

MS-DRG index

Defines the logic of DRG(s) 606-607 in MDC 09.

Approximate ICD-9-CM (GEMs)

• 110.9 Dermatophytosis of unspecified site

Code annotations containing back-references to B35.9

Back-references to B35

• Code First: M01 Direct infections of joint in infectious and parasitic diseases classified elsewhere ("mycoses (B35-B49)")

Diagnosis Index entries for B35.9

• Dermatophytosis (epidermophyton) (infection) (Microsporum) (tinea) (Trichophyton)
• Ringworm
• Tinea (intersecta) (tarsi)

Nearby codes

• B35.3 Tinea pedis
• B35.4 Tinea corporis
• B35.5 Tinea imbricata
• B35.6 Tinea cruris
• B35.8 Other dermatophytoses
• B35.9 Dermatophytosis, unspecified (this code)