All ICD10 Codes

B40

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Blastomycosis

Use a more specific code (6 billable, 1 non-billable)
B40.0Acute pulmonary blastomycosisB40.1Chronic pulmonary blastomycosisB40.2Pulmonary blastomycosis, unspecifiedB40.3Cutaneous blastomycosisB40.7Disseminated blastomycosisB40.8Other forms of blastomycosishas subcodesB40.9Blastomycosis, 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-)

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • Brazilian blastomycosis (B41.-)
  • keloidal blastomycosis (B48.0)

Clinical Hierarchy

BillableHas subcodes
CH1Certain infectious and parasitic diseases (A00-B99)
B35-B49Mycoses (B35-B49)
B40BlastomycosisNot billable
B40.0Acute pulmonary blastomycosisBillable
B40.1Chronic pulmonary blastomycosisBillable
B40.2Pulmonary blastomycosis, unspecifiedBillable
B40.3Cutaneous blastomycosisBillable
B40.7Disseminated blastomycosisBillable
B40.8Other forms of blastomycosisSubcodes
B40.9Blastomycosis, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B40:

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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