B44
⚠ Non-billable
Aspergillosis
ICD-10-CM · FY2026 · Certain Infectious and Parasitic Diseases
Code
B44
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Certain Infectious and Parasitic Diseases
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code B44?
ICD-10-CM code B44 represents Aspergillosis. It is a non-billable header code requiring a more specific subcategory in the Certain Infectious and Parasitic Diseases chapter, effective October 1, 2025 – September 30, 2026.
Is B44 billable?
No. B44 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is B44 in?
B44 belongs to the Certain Infectious and Parasitic Diseases chapter (A00–B99) of ICD-10-CM.
Related codes in the B44 category
B44.0
Invasive pulmonary aspergillosis
Billable
B44.1
Other pulmonary aspergillosis
Billable
B44.2
Tonsillar aspergillosis
Billable
B44.7
Disseminated aspergillosis
Billable
B44.8
Other forms of aspergillosis
Non-billable
B44.9
Aspergillosis, unspecified
Billable
B44.81
Allergic bronchopulmonary aspergillosis
Billable
B44.89
Other forms of aspergillosis
Billable
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