B44
Aspergillosis
B44 is a non-billable ICD-10-CM code category for aspergillosis. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are B44.0 Invasive pulmonary aspergillosis, B44.1 Other pulmonary aspergillosis, B44.2 Tonsillar aspergillosis, B44.7 Disseminated aspergillosis and 2 more. Its coding notes include a Use additional code instruction, a Code also instruction and 7 Excludes2 entries.
Use additional code
Add the listed code as a secondary code, if known.
Code also
Two codes may be needed to describe the condition. This note gives no sequencing order.
Excludes2
Not included here. Both codes may be reported if the patient has both conditions.
Also from chapter/block level (7 notes)
- carrier or suspected carrier of infectious disease (Z22.-)
- certain localized infections - see body system-related chapters
- 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)
Includes
Further defines or gives examples of the content of the category.
Also from chapter/block level (1 note)
- diseases generally recognized as communicable or transmissible