All ICD10 Codes

B43

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Chromomycosis and pheomycotic abscess

Use a more specific code (5 billable)
B43.0Cutaneous chromomycosisB43.1Pheomycotic brain abscessB43.2Subcutaneous pheomycotic abscess and cystB43.8Other forms of chromomycosisB43.9Chromomycosis, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 1: Certain Infectious and Parasitic Diseases (A00-B99).

CH1 Parent Instructions

Includes
  • diseases generally recognized as communicable or transmissible
Excludes1(Not coded here. Use a different code.)
  • certain localized infections - see body system-related chapters
Excludes2(Not included here. Code separately if applicable.)
  • carrier or suspected carrier of infectious disease (Z22.-)
  • infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)
  • infectious and parasitic diseases specific to the perinatal period (P35-P39)
  • influenza and other acute respiratory infections (J00-J22)
Use Additional Code
  • code to identify resistance to antimicrobial drugs (Z16.-)

B35-B49 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • hypersensitivity pneumonitis due to organic dust (J67.-)
  • mycosis fungoides (C84.0-)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
B35-B49Mycoses (B35-B49)
B43Chromomycosis and pheomycotic abscessNot billable
B43.0Cutaneous chromomycosisBillable
B43.1Pheomycotic brain abscessBillable
B43.2Subcutaneous pheomycotic abscess and cystBillable
B43.8Other forms of chromomycosisBillable
B43.9Chromomycosis, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B43:

blockB35-B49
Mycoses (B35-B49)
View context instructions
chapterCH1
Certain infectious and parasitic diseases (A00-B99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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