All ICD10 Codes

B35-B49

Non-Billable
ChapterA00–B99
Rankblock
Official Description

Mycoses (B35-B49)

Use a more specific code (1 billable, 14 non-billable)
B35Dermatophytosishas subcodesB36Other superficial mycoseshas subcodesB37Candidiasishas subcodesB38Coccidioidomycosishas subcodesB39Histoplasmosishas subcodesB40Blastomycosishas subcodesB41Paracoccidioidomycosishas subcodesB42Sporotrichosishas subcodesB43Chromomycosis and pheomycotic abscesshas subcodesB44Aspergillosishas subcodesB45Cryptococcosishas subcodesB46Zygomycosishas subcodesB47Mycetomahas subcodesB48Other mycoses, not elsewhere classifiedhas subcodesB49Unspecified mycosis
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.-)

Instructional Notes

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)Not billable
B35DermatophytosisSubcodes
B36Other superficial mycosesSubcodes
B37CandidiasisSubcodes
B38CoccidioidomycosisSubcodes
B39HistoplasmosisSubcodes
B40BlastomycosisSubcodes
B41ParacoccidioidomycosisSubcodes
B42SporotrichosisSubcodes
B43Chromomycosis and pheomycotic abscessSubcodes
B44AspergillosisSubcodes
B45CryptococcosisSubcodes
B46ZygomycosisSubcodes
B47MycetomaSubcodes
B48Other mycoses, not elsewhere classifiedSubcodes
B49Unspecified mycosisBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to B35-B49:

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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