ICD-10-CM · Chapter 1 · A00-B99
B40 Blastomycosis
Excludes 1 (cannot be coded together)
- Brazilian blastomycosis (B41.-)
- keloidal blastomycosis (B48.0)
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| B40..0 | Acute pulmonary blastomycosis | Yes |
| B40..1 | Chronic pulmonary blastomycosis | Yes |
| B40..2 | Pulmonary blastomycosis, unspecified | Yes |
| B40..3 | Cutaneous blastomycosis | Yes |
| B40..7 | Disseminated blastomycosis | Yes |
| B40..8 | Other forms of blastomycosis | No |
| B40..81 | Blastomycotic meningoencephalitis | Yes |
| B40..89 | Other forms of blastomycosis | Yes |
| B40..9 | Blastomycosis, unspecified | Yes |
Last reviewed: September 2026