ICD-10-CM Book 2026 Edition

Chapters  /  Chapter 1  /  B35-B49

Mycoses (B35-B49)

Excludes2: hypersensitivity pneumonitis due to organic dust (J67.-)
mycosis fungoides (C84.0-)
B35 Dermatophytosis
Includes favus
infections due to species of Epidermophyton, Micro-sporum and Trichophyton
tinea, any type except those in B36.-
B35.0 Tinea barbae and tinea capitis
Beard ringworm
Kerion
Scalp ringworm
Sycosis, mycotic
B35.1 Tinea unguium
Dermatophytic onychia
Dermatophytosis of nail
Onychomycosis
Ringworm of nails
B35.2 Tinea manuum
Dermatophytosis of hand
Hand ringworm
B35.3 Tinea pedis
Athlete's foot
Dermatophytosis of foot
Foot ringworm
B35.4 Tinea corporis
Ringworm of the body
B35.5 Tinea imbricata
Tokelau
B35.6 Tinea cruris
Dhobi itch
Groin ringworm
Jock itch
B35.8 Other dermatophytoses
Disseminated dermatophytosis
Granulomatous dermatophytosis
B35.9 Dermatophytosis, unspecified
Ringworm NOS
B36 Other superficial mycoses
B36.0 Pityriasis versicolor
Tinea flava
Tinea versicolor
B36.1 Tinea nigra
Keratomycosis nigricans palmaris
Microsporosis nigra
Pityriasis nigra
B36.2 White piedra
Tinea blanca
B36.3 Black piedra
B36.8 Other specified superficial mycoses
B36.9 Superficial mycosis, unspecified
B37 Candidiasis
Includes candidosis
moniliasis
Excludes1 neonatal candidiasis (P37.5)
B37.0 Candidal stomatitis
Oral thrush
B37.1 Pulmonary candidiasis
Candidal bronchitis
Candidal pneumonia
B37.2 Candidiasis of skin and nail
Candidal onychia
Candidal paronychia
Excludes2 diaper dermatitis (L22)
B37.3 Candidiasis of vulva and vagina
Candidal vulvovaginitis
Monilial vulvovaginitis
Vaginal thrush
sex Female
B37.31 Acute candidiasis of vulva and vagina
Candidiasis of vulva and vagina NOS
B37.32 Chronic candidiasis of vulva and vagina
Recurrent candidiasis of vulva and vagina
B37.4 Candidiasis of other urogenital sites
B37.41 Candidal cystitis and urethritis
B37.42 Candidal balanitis
sex Male
B37.49 Other urogenital candidiasis
Candidal pyelonephritis
B37.5 Candidal meningitis
B37.6 Candidal endocarditis
B37.7 Candidal sepsis
Disseminated candidiasis
Systemic candidiasis
B37.8 Candidiasis of other sites
B37.81 Candidal esophagitis
B37.82 Candidal enteritis
Candidal proctitis
B37.83 Candidal cheilitis
B37.84 Candidal otitis externa
B37.89 Other sites of candidiasis
Candidal osteomyelitis
B37.9 Candidiasis, unspecified
Thrush NOS
B38 Coccidioidomycosis
B38.0 Acute pulmonary coccidioidomycosis
B38.1 Chronic pulmonary coccidioidomycosis
B38.2 Pulmonary coccidioidomycosis, unspecified
B38.3 Cutaneous coccidioidomycosis
B38.4 Coccidioidomycosis meningitis
B38.7 Disseminated coccidioidomycosis
Generalized coccidioidomycosis
B38.8 Other forms of coccidioidomycosis
B38.81 Prostatic coccidioidomycosis
sex Male
B38.89 Other forms of coccidioidomycosis
B38.9 Coccidioidomycosis, unspecified
B39 Histoplasmosis
CodeFirst associated AIDS (B20)
UseAdditionalCode code for any associated manifestations, such as:
endocarditis (I39)
meningitis (G02)
pericarditis (I32)
retinitis (H32)
B39.0 Acute pulmonary histoplasmosis capsulati
B39.1 Chronic pulmonary histoplasmosis capsulati
B39.2 Pulmonary histoplasmosis capsulati, unspecified
B39.3 Disseminated histoplasmosis capsulati
Generalized histoplasmosis capsulati
B39.4 Histoplasmosis capsulati, unspecified
American histoplasmosis
B39.5 Histoplasmosis duboisii
African histoplasmosis
B39.9 Histoplasmosis, unspecified
B40 Blastomycosis
Excludes1 Brazilian blastomycosis (B41.-)
keloidal blastomycosis (B48.0)
B40.0 Acute pulmonary blastomycosis
B40.1 Chronic pulmonary blastomycosis
B40.2 Pulmonary blastomycosis, unspecified
B40.3 Cutaneous blastomycosis
B40.7 Disseminated blastomycosis
Generalized blastomycosis
B40.8 Other forms of blastomycosis
B40.81 Blastomycotic meningoencephalitis
Meningomyelitis due to blastomycosis
B40.89 Other forms of blastomycosis
B40.9 Blastomycosis, unspecified
B41 Paracoccidioidomycosis
Includes Brazilian blastomycosis
Lutz' disease
B41.0 Pulmonary paracoccidioidomycosis
B41.7 Disseminated paracoccidioidomycosis
Generalized paracoccidioidomycosis
B41.8 Other forms of paracoccidioidomycosis
B41.9 Paracoccidioidomycosis, unspecified
B42 Sporotrichosis
B42.0 Pulmonary sporotrichosis
B42.1 Lymphocutaneous sporotrichosis
B42.7 Disseminated sporotrichosis
Generalized sporotrichosis
B42.8 Other forms of sporotrichosis
B42.81 Cerebral sporotrichosis
Meningitis due to sporotrichosis
B42.82 Sporotrichosis arthritis
B42.89 Other forms of sporotrichosis
B42.9 Sporotrichosis, unspecified
B43 Chromomycosis and pheomycotic abscess
B43.0 Cutaneous chromomycosis
Dermatitis verrucosa
B43.1 Pheomycotic brain abscess
Cerebral chromomycosis
B43.2 Subcutaneous pheomycotic abscess and cyst
B43.8 Other forms of chromomycosis
B43.9 Chromomycosis, unspecified
B44 Aspergillosis
Includes aspergilloma
B44.0 Invasive pulmonary aspergillosis
B44.1 Other pulmonary aspergillosis
B44.2 Tonsillar aspergillosis
B44.7 Disseminated aspergillosis
Generalized aspergillosis
B44.8 Other forms of aspergillosis
B44.81 Allergic bronchopulmonary aspergillosis
B44.89 Other forms of aspergillosis
B44.9 Aspergillosis, unspecified
B45 Cryptococcosis
B45.0 Pulmonary cryptococcosis
B45.1 Cerebral cryptococcosis
Cryptococcal meningitis
Cryptococcosis meningocerebralis
B45.2 Cutaneous cryptococcosis
B45.3 Osseous cryptococcosis
B45.7 Disseminated cryptococcosis
Generalized cryptococcosis
B45.8 Other forms of cryptococcosis
B45.9 Cryptococcosis, unspecified
B46 Zygomycosis
B46.0 Pulmonary mucormycosis
B46.1 Rhinocerebral mucormycosis
B46.2 Gastrointestinal mucormycosis
B46.3 Cutaneous mucormycosis
Subcutaneous mucormycosis
B46.4 Disseminated mucormycosis
Generalized mucormycosis
B46.5 Mucormycosis, unspecified
B46.8 Other zygomycoses
Entomophthoromycosis
B46.9 Zygomycosis, unspecified
Phycomycosis NOS
B47 Mycetoma
B47.0 Eumycetoma
Madura foot, mycotic
Maduromycosis
B47.1 Actinomycetoma
B47.9 Mycetoma, unspecified
Madura foot NOS
B48 Other mycoses, not elsewhere classified
B48.0 Lobomycosis
Keloidal blastomycosis
Lobo's disease
B48.1 Rhinosporidiosis
B48.2 Allescheriasis
Infection due to Pseudallescheria boydii
Excludes1 eumycetoma (B47.0)
B48.3 Geotrichosis
Geotrichum stomatitis
B48.4 Penicillosis
Talaromycosis
B48.8 Other specified mycoses
Adiaspiromycosis
Infection of tissue and organs by Alternaria
Infection of tissue and organs by Drechslera
Infection of tissue and organs by Fusarium
Infection of tissue and organs by saprophytic fungi NEC
B49 Unspecified mycosis
Fungemia NOS