B49 ICD-10-CM Code: Unspecified mycosis
A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.
Code definition
Official description
B49Unspecified mycosis
ICD-10-CM diagnosis code · United States clinical modification
Classification
Where B49 sits
- 1
Chapter 1
Certain infectious and parasitic diseases (A00-B99)
- 2
Section
Mycoses (B35-B49)
- 3
Category B49
Unspecified mycosis
- 4
Code B49
Unspecified mycosis
Documentation details
Notes for this code
Inclusion terms
- Fungemia NOS
Code first
No “code first” instruction is listed for B49.
Use additional code
No “use additional code” instruction is listed for B49.
Excludes1
Conditions that should not be reported together with this code.
No Excludes1 note is listed for B49.
Excludes2
Conditions not included here that may be reported separately when present.
No Excludes2 note is listed for B49.
Transparency
Source and release
This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.
Review the CDC/NCHS ICD-10-CM sourceCode-specific guidance
Frequently asked questions
What does ICD-10-CM code B49 mean?
B49 is the FY 2027 U.S. ICD-10-CM code for “Unspecified mycosis.”
Is B49 a billable or specific ICD-10-CM code?
Yes. In the FY 2027 reference data used on this page, B49 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.
Where is B49 located in ICD-10-CM?
B49 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Mycoses (B35-B49) (B35–B49), under category B49, Unspecified mycosis.
What coding notes are listed for B49?
Its listed inclusion terms are Fungemia NOS. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.
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