All ICD10 Codes

B46

Non-Billable
ChapterA00–B99
Rankcategory
Official Description

Zygomycosis

Use a more specific code (8 billable)
B46.0Pulmonary mucormycosisB46.1Rhinocerebral mucormycosisB46.2Gastrointestinal mucormycosisB46.3Cutaneous mucormycosisB46.4Disseminated mucormycosisB46.5Mucormycosis, unspecifiedB46.8Other zygomycosesB46.9Zygomycosis, 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)
B46ZygomycosisNot billable
B46.0Pulmonary mucormycosisBillable
B46.1Rhinocerebral mucormycosisBillable
B46.2Gastrointestinal mucormycosisBillable
B46.3Cutaneous mucormycosisBillable
B46.4Disseminated mucormycosisBillable
B46.5Mucormycosis, unspecifiedBillable
B46.8Other zygomycosesBillable
B46.9Zygomycosis, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B46:

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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