B44
Non-billableAspergillosis
Aspergillosis
This is a header/category code. For billing purposes, use a more specific child code from the list below.
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
- aspergilloma
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
Excludes 2
Conditions not included here, but the patient may have both
- •carrier or suspected carrier of infectious diseaseZ22
- •infectious and parasitic diseases complicating pregnancy, childbirth and the puerperiumO98
- •infectious and parasitic diseases specific to the perinatal periodP35-P39
- •influenza and other acute respiratory infectionsJ00-J22
- •hypersensitivity pneumonitis due to organic dustJ67
- •mycosis fungoidesC84.0
Use Additional Code
Additional codes that should follow this code
Child Codes (6)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(22)
UMLS
- AspergillomaC0276651
- Aspergilloma (disorder)C0276651
- Intracavitary aspergillus fungus ballC0276651
- aspergillomaC0276651
- AspergillosesC0004030
- AspergillosisC0004030
- Aspergillosis (disorder)C0004030
- Aspergillosis NOSC0004030
- Aspergillosis, unspecifiedC0004030
- Aspergillus InfectionC0004030
- Aspergillus InfectionsC0004030
- Aspergillus infectionC0004030
- Aspergillus infection NOSC0004030
- Aspergillus infectionsC0004030
- Infection due to AspergillusC0004030
- Infection, AspergillusC0004030
- Infections, AspergillusC0004030
- aspergilloseC0004030
- aspergillosesC0004030
- aspergillosisC0004030
- aspergillus infectionC0004030
- aspergillus infectionsC0004030
Frequently Asked Questions
What is the ICD-10 code for aspergillosis?
The ICD-10-CM code for aspergillosis is B44. The full clinical description is "Aspergillosis". B44 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code B44 mean?
ICD-10-CM code B44 represents “Aspergillosis”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a non-billable header code. Use a more specific child code for billing purposes.
Is B44 a billable code?
No, B44 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 6 child codes under B44.
What chapter is B44 in?
B44 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B44?
B44 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
What are the subcategories under B44?
B44 has 6 child codes, including: B44.0 (Invasive pulmonary aspergillosis), B44.1 (Other pulmonary aspergillosis), B44.2 (Tonsillar aspergillosis), B44.7 (Disseminated aspergillosis), and 2 more.
Are additional codes required with B44?
Yes, when using B44, also report: resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for B44?
B44 is linked to 2 UMLS Concept Unique Identifiers: C0276651, C0004030. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does B44 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like aspergillosis affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.
What is the ICD-11 equivalent of B44?
B44 maps to the ICD-11 code: 1F20.Z (Aspergillosis, unspecified).
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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.