B43: Chromomycosis and pheomycotic abscess
Codes under B43 (Chromomycosis and pheomycotic abscess). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| B43.0 | Cutaneous chromomycosis | ✓ |
| B43.0 | Cutaneous chromomycosis | ✓ |
| B43.1 | Pheomycotic brain abscess | ✓ |
| B43.1 | Pheomycotic brain abscess | ✓ |
| B43.2 | Subcutaneous pheomycotic abscess and cyst | ✓ |
| B43.2 | Subcutaneous pheomycotic abscess and cyst | ✓ |
| B43.8 | Other forms of chromomycosis | ✓ |
| B43.8 | Other forms of chromomycosis | ✓ |
| B43.9 | Chromomycosis, unspecified | ✓ |
| B43.9 | Chromomycosis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code B43?
B43 is an ICD-10-CM category covering Chromomycosis and pheomycotic abscess. It contains 10 more specific diagnosis codes, 10 of which are billable.
Is B43 a billable code?
No — B43 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example B43.0 — Cutaneous chromomycosis). 10 of the 10 codes under B43 are billable.
What codes fall under B43?
B43 includes B43.0, B43.0, B43.1, B43.1, B43.2, plus 5 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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