ICD-10 Code
International Classification of Diseases, 10th Revision
Mar 22, 2019

See: Blastomycosis

B40 is NOT a complete or valid ICD 10 diagnosis code.

You should code each health care encounter to the level of certainty known for that encounter. When sufficient clinical information is not known or available to assign a more specific code, it is acceptable to report the appropriate unspecified code.

See below for more specifc codes relating to
  • Brazilian blastomycosis (B41.-)
  • keloidal blastomycosis (B48.0)

More specific codes for 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
See also ICD 10 code for
Back to B40
See the ICD-10-CM Coding Guidelines.

Questions related to B40 Blastomycosis

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.