Blastomycosis B40-

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as B40. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • Brazilian blastomycosis (
    ICD-10-CM Diagnosis Code B41
    • B41 Paracoccidioidomycosis
      • B41.0 Pulmonary paracoccidioidomycosis
      • B41.7 Disseminated paracoccidioidomycosis
      • B41.8 Other forms of paracoccidioidomycosis
      • B41.9 Paracoccidioidomycosis, unspecified
  • keloidal blastomycosis (
    ICD-10-CM Diagnosis Code B48.0


      2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
    Applicable To
    • Keloidal blastomycosis
    • Lobo's disease
Clinical Information
  • A fungal infection caused by inhalation of spores of blastomyces dermatitidis. It presents with flu-like symptoms including fever, chills, cough, pleuritic chest pain and myalgias. It may lead to a chronic granulomatous pulmonary infection and disseminate to other anatomic sites including skin, nervous system and bones.
  • A fungal infection that may appear in two forms: 1, a primary lesion characterized by the formation of a small cutaneous nodule and small nodules along the lymphatics that may heal within several months; and 2, chronic granulomatous lesions characterized by thick crusts, warty growths, and unusual vascularity and infection in the middle or upper lobes of the lung.
  • Infection caused by fungi of the genus blastomyces.
  • B40 Blastomycosis
    • B40.0 Acute pulmonary blastomycosis
    • B40.1 Chronic pulmonary blastomycosis
    • B40.2 Pulmonary blastomycosis, unspecified
    • B40.3 Cutaneous blastomycosis
    • B40.7 Disseminated blastomycosis
    • B40.8 Other forms of blastomycosis
      • B40.81 Blastomycotic meningoencephalitis
      • B40.89 Other forms of blastomycosis
    • B40.9 Blastomycosis, unspecified