A22
Non-billableAnthrax
Anthrax
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
- infection due to Bacillus anthracis
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
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(15)
UMLS
- AnthraxC0003175
- Anthrax (disorder)C0003175
- Anthrax, unspecifiedC0003175
- Bacillus anthracis InfectionC0003175
- Bacillus anthracis InfectionsC0003175
- Bacillus anthracis infectionC0003175
- CharbonC0003175
- Infection due to Bacillus anthracisC0003175
- MilzbrandC0003175
- Splenic feverC0003175
- anthraxC0003175
- anthrax diseaseC0003175
- charbonC0003175
- infection due to Bacillus anthracisC0003175
- splenic feverC0003175
Frequently Asked Questions
What is the ICD-10 code for anthrax?
The ICD-10-CM code for anthrax is A22. The full clinical description is "Anthrax". A22 is a non-billable header code. Use a more specific child code for billing purposes.
What does ICD-10 code A22 mean?
ICD-10-CM code A22 represents “Anthrax”. 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 A22 a billable code?
No, A22 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 A22.
What chapter is A22 in?
A22 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A22?
A22 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 A22?
A22 has 6 child codes, including: A22.0 (Cutaneous anthrax), A22.1 (Pulmonary anthrax), A22.2 (Gastrointestinal anthrax), A22.7 (Anthrax sepsis), and 2 more.
Are additional codes required with A22?
Yes, when using A22, also report: resistance to antimicrobial drugs (Z16.-).
What are the UMLS CUIs for A22?
A22 is linked to 1 UMLS Concept Unique Identifier: C0003175. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does A22 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like anthrax 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 A22?
A22 maps to the ICD-11 code: 1B97 (Anthrax).
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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.