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Dx

ICD-10-CM 2027 · B35-B49

Mycoses

Part of chapter 1, certain infectious and parasitic diseases.

About B35-B49

Block B35-B49 contains 15 categories and 104 billable codes for FY2027. No codes here changed in the FY2027 update. 18 codes are MCCs and 49 are CCs when reported as secondary diagnoses.

B35Dermatophytosis

B36Other superficial mycoses

B37Candidiasis

B38Coccidioidomycosis

B39Histoplasmosis

B40Blastomycosis

B41Paracoccidioidomycosis

B42Sporotrichosis

B43Chromomycosis and pheomycotic abscess

B44Aspergillosis

B45Cryptococcosis

B46Zygomycosis

B47Mycetoma

B48Other mycoses, not elsewhere classified

B49Unspecified mycosis

Block notes

Excludes2
  • hypersensitivity pneumonitis due to organic dust (J67.-)
  • mycosis fungoides (C84.0-)