ICD-10-CM › A00-B99 › B35-B49 › B40 Blastomycosis › B40.1

B40.1

Chronic pulmonary blastomycosis

ValidICD-10-CM diagnosis code.

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Every change the publisher made, from 2007 to now. Entries marked draft are from the pre-implementation releases: ICD-10 took effect on 1 October 2015, so nothing before FY2016 was ever valid on a claim.

  1. FY2007 Added to the draft code set draft Chronic pulmonary blastomycosis

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from B40 Blastomycosis

Excludes1 - never coded here

  • Brazilian blastomycosis (B41.-)
  • keloidal blastomycosis (B48.0)

Inherited from the B35-B49 section Mycoses (B35-B49)

Excludes2 - not included here

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

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
B40.0 Acute pulmonary blastomycosis Valid
B40.2 Pulmonary blastomycosis, unspecified Valid
B40.3 Cutaneous blastomycosis Valid
B40.7 Disseminated blastomycosis Valid
B40.8 Other forms of blastomycosis Not billable
B40.9 Blastomycosis, unspecified Valid