B49

Billable

ChapterA00–B99

Rankcategory

Official Description

Unspecified mycosis

Metadata & Insights

•Billable/specific code (valid for reimbursement).
•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

Includes

Fungemia NOS

Clinical Hierarchy

BillableHas subcodes

CH1Certain infectious and parasitic diseases (A00-B99)

B35-B49Mycoses (B35-B49)

B49Unspecified mycosisBillable

Applicable Ancestor Context

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

Mycoses (B35-B49)

View context instructions

chapterCH1

Certain infectious and parasitic diseases (A00-B99)

View context instructions

MS-DRG Classification

2026 v43.1

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

Other Infectious and Parasitic Diseases Diagnoses with MCC

Other Infectious and Parasitic Diseases Diagnoses with CC

Other Infectious and Parasitic Diseases Diagnoses without CC/MCC

Cross Reference

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