ICD-10-CM Section · B35-B49

Mycoses

125 codes in this section

125
Total Codes
104
Billable
21
Header (Non-Billable)
15
Top-Level Codes

About Section B35-B49

Section B35-B49 (B35-B49) covers mycoses. It sits within the Certain infectious and parasitic diseases chapter (A00-B99). This section contains 125 ICD-10-CM codes, 104 billable diagnoses you can submit on a claim, and 21 non-billable header codes used to organize the hierarchy.

Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.

Codes in B35-B49

Grouped by 3-character root code. Click any code for full detail.

B35 Dermatophytosis
9 subcodes
B35.0 Tinea barbae and tinea capitis Billable
B35.1 Tinea unguium Billable
B35.2 Tinea manuum Billable
B35.3 Tinea pedis Billable
B35.4 Tinea corporis Billable
B35.5 Tinea imbricata Billable
B35.6 Tinea cruris Billable
B35.8 Other dermatophytoses Billable
B35.9 Dermatophytosis, unspecified Billable
B36 Other superficial mycoses
6 subcodes
B36.0 Pityriasis versicolor Billable
B36.1 Tinea nigra Billable
B36.2 White piedra Billable
B36.3 Black piedra Billable
B36.8 Other specified superficial mycoses Billable
B36.9 Superficial mycosis, unspecified Billable
B37 Candidiasis
20 subcodes
B37.0 Candidal stomatitis Billable
B37.1 Pulmonary candidiasis Billable
B37.2 Candidiasis of skin and nail Billable
B37.3 Candidiasis of vulva and vagina Header
B37.31 Acute candidiasis of vulva and vagina Billable
B37.32 Chronic candidiasis of vulva and vagina Billable
B37.4 Candidiasis of other urogenital sites Header
B37.41 Candidal cystitis and urethritis Billable
B37.42 Candidal balanitis Billable
B37.49 Other urogenital candidiasis Billable
B37.5 Candidal meningitis Billable
B37.6 Candidal endocarditis Billable
B37.7 Candidal sepsis Billable
B37.8 Candidiasis of other sites Header
B37.81 Candidal esophagitis Billable
B37.82 Candidal enteritis Billable
B37.83 Candidal cheilitis Billable
B37.84 Candidal otitis externa Billable
B37.89 Other sites of candidiasis Billable
B37.9 Candidiasis, unspecified Billable
B38 Coccidioidomycosis
10 subcodes
B38.0 Acute pulmonary coccidioidomycosis Billable
B38.1 Chronic pulmonary coccidioidomycosis Billable
B38.2 Pulmonary coccidioidomycosis, unspecified Billable
B38.3 Cutaneous coccidioidomycosis Billable
B38.4 Coccidioidomycosis meningitis Billable
B38.7 Disseminated coccidioidomycosis Billable
B38.8 Other forms of coccidioidomycosis Header
B38.81 Prostatic coccidioidomycosis Billable
B38.89 Other forms of coccidioidomycosis Billable
B38.9 Coccidioidomycosis, unspecified Billable
B39 Histoplasmosis
7 subcodes
B39.0 Acute pulmonary histoplasmosis capsulati Billable
B39.1 Chronic pulmonary histoplasmosis capsulati Billable
B39.2 Pulmonary histoplasmosis capsulati, unspecified Billable
B39.3 Disseminated histoplasmosis capsulati Billable
B39.4 Histoplasmosis capsulati, unspecified Billable
B39.5 Histoplasmosis duboisii Billable
B39.9 Histoplasmosis, unspecified Billable
B40 Blastomycosis
9 subcodes
B40.0 Acute pulmonary blastomycosis Billable
B40.1 Chronic pulmonary blastomycosis Billable
B40.2 Pulmonary blastomycosis, unspecified Billable
B40.3 Cutaneous blastomycosis Billable
B40.7 Disseminated blastomycosis Billable
B40.8 Other forms of blastomycosis Header
B40.81 Blastomycotic meningoencephalitis Billable
B40.89 Other forms of blastomycosis Billable
B40.9 Blastomycosis, unspecified Billable
B41 Paracoccidioidomycosis
4 subcodes
B41.0 Pulmonary paracoccidioidomycosis Billable
B41.7 Disseminated paracoccidioidomycosis Billable
B41.8 Other forms of paracoccidioidomycosis Billable
B41.9 Paracoccidioidomycosis, unspecified Billable
B42 Sporotrichosis
8 subcodes
B42.0 Pulmonary sporotrichosis Billable
B42.1 Lymphocutaneous sporotrichosis Billable
B42.7 Disseminated sporotrichosis Billable
B42.8 Other forms of sporotrichosis Header
B42.81 Cerebral sporotrichosis Billable
B42.82 Sporotrichosis arthritis Billable
B42.89 Other forms of sporotrichosis Billable
B42.9 Sporotrichosis, unspecified Billable
B43 Chromomycosis and pheomycotic abscess
5 subcodes
B43.0 Cutaneous chromomycosis Billable
B43.1 Pheomycotic brain abscess Billable
B43.2 Subcutaneous pheomycotic abscess and cyst Billable
B43.8 Other forms of chromomycosis Billable
B43.9 Chromomycosis, unspecified Billable
B44 Aspergillosis
8 subcodes
B44.0 Invasive pulmonary aspergillosis Billable
B44.1 Other pulmonary aspergillosis Billable
B44.2 Tonsillar aspergillosis Billable
B44.7 Disseminated aspergillosis Billable
B44.8 Other forms of aspergillosis Header
B44.81 Allergic bronchopulmonary aspergillosis Billable
B44.89 Other forms of aspergillosis Billable
B44.9 Aspergillosis, unspecified Billable
B45 Cryptococcosis
7 subcodes
B45.0 Pulmonary cryptococcosis Billable
B45.1 Cerebral cryptococcosis Billable
B45.2 Cutaneous cryptococcosis Billable
B45.3 Osseous cryptococcosis Billable
B45.7 Disseminated cryptococcosis Billable
B45.8 Other forms of cryptococcosis Billable
B45.9 Cryptococcosis, unspecified Billable
B46 Zygomycosis
8 subcodes
B46.0 Pulmonary mucormycosis Billable
B46.1 Rhinocerebral mucormycosis Billable
B46.2 Gastrointestinal mucormycosis Billable
B46.3 Cutaneous mucormycosis Billable
B46.4 Disseminated mucormycosis Billable
B46.5 Mucormycosis, unspecified Billable
B46.8 Other zygomycoses Billable
B46.9 Zygomycosis, unspecified Billable
B47 Mycetoma
3 subcodes
B47.0 Eumycetoma Billable
B47.1 Actinomycetoma Billable
B47.9 Mycetoma, unspecified Billable
B48 Other mycoses, not elsewhere classified
6 subcodes
B48.0 Lobomycosis Billable
B48.1 Rhinosporidiosis Billable
B48.2 Allescheriasis Billable
B48.3 Geotrichosis Billable
B48.4 Penicillosis Billable
B48.8 Other specified mycoses Billable
B49 Unspecified mycosis
0 subcodes

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Verified against the CMS 2026 code set on May 31, 2026.

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