B44 ICD-10-CM Code: Aspergillosis

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Official description

B44

Aspergillosis

ICD-10-CM diagnosis code · United States clinical modification

Where B44 sits

  1. 1

    Chapter 1

    Certain infectious and parasitic diseases (A00-B99)

  2. 2

    Section

    Mycoses (B35-B49)

  3. 3

    Category B44

    Aspergillosis

  4. 4

    Code B44

    Aspergillosis

Codes under B44

B44 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Notes for this code

Inclusion terms

No inclusion terms are listed for B44.

Code first

No “code first” instruction is listed for B44.

Use additional code

No “use additional code” instruction is listed for B44.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for B44.

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for B44.

Source and release

Data release
U.S. ICD-10-CM · FY 2027
Effective date
Oct 1, 2026

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.

Frequently asked questions

What does ICD-10-CM code B44 mean?

B44 is the FY 2027 U.S. ICD-10-CM code for “Aspergillosis.”

Is B44 a billable or specific ICD-10-CM code?

No. B44 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is B44 located in ICD-10-CM?

B44 is listed in Chapter 1, Certain infectious and parasitic diseases (A00-B99), within Mycoses (B35-B49) (B35–B49), under category B44, Aspergillosis.

What coding notes are listed for B44?

No inclusion terms are listed for B44 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.