Tinea unguium
Billable / specific
B35.1 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.
Inclusion terms
Applicable to
- Dermatophytic onychia
- Dermatophytosis of nail
- Onychomycosis
- Ringworm of nails
Includes (from B35)
- diseases generally recognized as communicable or transmissible
- favus
- infections due to species of Epidermophyton, Micro-sporum and Trichophyton
- tinea, any type except those in B36.-
Excludes2
Not included here — may be reported together when both conditions exist.
- carrier or suspected carrier of infectious disease (Z22.-) (from B35)
- certain localized infections - see body system-related chapters (from B35)
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-) (from B35)
- infectious and parasitic diseases specific to the perinatal period (P35-P39) (from B35)
- influenza and other acute respiratory infections (J00-J22) (from B35)
- hypersensitivity pneumonitis due to organic dust (J67.-) (from B35)
- mycosis fungoides (C84.0-) (from B35)
Use additional code
Add a code to identify the following, if applicable.
Also known as
- Dermatophytic onychia
- Dermatophytosis of nail
- Onychomycosis
- Ringworm of nails
- Dermatophytosis, nail
- Infection, infected, infective, finger, nail, fungus
- Infection, infected, infective, fungus NOS, nail
- Infection, infected, infective, fungus NOS, skin, toenails
- Infection, infected, infective, nail, finger, fungus
- Infection, infected, infective, nail, toe, fungus
- Infection, infected, infective, toe, cellulitis, fungus
- Infection, infected, infective, toe, nail, fungus
- Mycosis, mycotic, nails
- Onychia, dermatophytic
- Ringworm, nails
- Tinea, unguium
Parent code
- B35DermatophytosisHeader