MCMedicalCodingSoftware
B43

B43: Chromomycosis and pheomycotic abscess

Non-billable headerICD-10-CM

B43 is a non-billable header ICD-10-CM code for chromomycosis and pheomycotic abscess. It cannot be billed on its own: choose one of the more specific child codes below.

Other codes that can never be billed with B43

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • G07Intracranial and intraspinal abscess and granuloma in diseases classified elsewhere

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead B43

5 child codes. Green means billable.

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.