B40
Non-billableBlastomycosis
Blastomycosis
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
Excludes 1
Codes that cannot be used together with this code (mutual exclusion)
- certain localized infections - see body system-related chapters
- •Brazilian blastomycosisB41
- •keloidal blastomycosisB48.0
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 (7)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(12)
UMLS
- Blastomyces InfectionC0005716
- Blastomyces InfectionsC0005716
- Blastomyces infectionsC0005716
- BlastomycosesC0005716
- BlastomycosisC0005716
- Blastomycosis (disorder)C0005716
- Blastomycosis, unspecifiedC0005716
- Blastomycotic infectionC0005716
- Infection by BlastomycesC0005716
- Infection, BlastomycesC0005716
- blastomycosesC0005716
- blastomycosisC0005716
Frequently Asked Questions
What is the ICD-10 code for blastomycosis?
The ICD-10-CM code for blastomycosis is B40. The full clinical description is "Blastomycosis". B40 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code B40 mean?
ICD-10-CM code B40 represents “Blastomycosis”. 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 B40 a billable code?
No, B40 is a non-billable header code. You need to use one of its more specific child codes for billing. There are 7 child codes under B40.
What chapter is B40 in?
B40 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with B40?
B40 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters; Brazilian blastomycosis (B41.-); keloidal blastomycosis (B48.0).
What are the subcategories under B40?
B40 has 7 child codes, including: B40.0 (Acute pulmonary blastomycosis), B40.1 (Chronic pulmonary blastomycosis), B40.2 (Pulmonary blastomycosis, unspecified), B40.3 (Cutaneous blastomycosis), and 3 more.
Are additional codes required with B40?
Yes, when using B40, also report: resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for B40?
B40 is linked to 1 UMLS Concept Unique Identifier: C0005716. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does B40 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like blastomycosis 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 B40?
B40 maps to the ICD-11 code: 1F22 (Blastomycosis).
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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.