A23.9
BillableBrucellosis, unspecified
Brucellosis, unspecified
Coding Notes
Includes
Conditions included under this code
- diseases generally recognized as communicable or transmissible
- Malta fever
- Mediterranean fever
- undulant fever
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
Related Codes(5)
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(70)
SNOMED CT
- Brucellosis75702008
- Cyprus fever75702008
- Gibraltar fever75702008
- Malta fever75702008
- Mediterranean fever75702008
- Rock fever75702008
- Undulant fever75702008
- Brucella spondylitis202698007
- Brucellosis of skin402127008
- Brucella infection of the central nervous system406564009
- Brucellosis uveitis413716003
- Uveitis due to brucellosis413716003
UMLS
- Brucella InfectionC0006309
- Brucella InfectionsC0006309
- Brucella infectionsC0006309
- BrucellosesC0006309
- BrucellosisC0006309
- Brucellosis (disorder)C0006309
- Brucellosis, unspecifiedC0006309
- Cyprus FeverC0006309
- Cyprus feverC0006309
- Fever, CyprusC0006309
- Fever, GibraltarC0006309
- Fever, MaltaC0006309
- Fever, RockC0006309
- Fever, UndulantC0006309
- Gibraltar FeverC0006309
- Gibraltar feverC0006309
- Infection, BrucellaC0006309
- Malta FeverC0006309
- Malta feverC0006309
- Mediterranean feverC0006309
- Rock FeverC0006309
- Rock feverC0006309
- Undulant FeverC0006309
- Undulant feverC0006309
- Unspecified brucellosisC0006309
- brucellosesC0006309
- brucellosisC0006309
- cyprus feverC0006309
- fever maltaC0006309
- fever mediterraneanC0006309
- malta feverC0006309
- mediterranean feverC0006309
- rock feverC0006309
- undulant feverC0006309
Clinical Terms
- Uveitis due to brucellosis
- Brucellosis uveitis
- cyprus fever
- Malta Fever
- Brucellosis (disorder)
- Fever, Rock
- Unspecified brucellosis
- Brucelloses
- fever mediterranean
- Undulant fever
- Gibraltar fever
- Mediterranean fever
- Fever, Cyprus
- Brucella Infections
- Fever, Undulant
- rock fever
- Brucellosis of skin
- Brucella infection of the central nervous system
- Infection, Brucella
- Brucella spondylitis
- Brucella Infection
- Fever, Malta
- Fever, Gibraltar
- fever malta
Frequently Asked Questions
What is the ICD-10 code for brucellosis, unspecified?
The ICD-10-CM code for brucellosis, unspecified is A23.9. The full clinical description is "Brucellosis, unspecified". A23.9 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code A23.9 mean?
ICD-10-CM code A23.9 represents “Brucellosis, unspecified”. It is classified under Chapter 1: Certain Infectious and Parasitic Diseases and is a billable/specific code that can be used on a claim.
Is A23.9 a billable code?
Yes, A23.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is A23.9 in?
A23.9 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A23.9?
A23.9 has Excludes1 notes indicating codes that cannot be used together with it, including: certain localized infections - see body system-related chapters.
Are additional codes required with A23.9?
Yes, when using A23.9, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does A23.9 map to?
A23.9 maps to 5 SNOMED CT concepts: 406564009, 202698007, 75702008, 402127008, 413716003. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for A23.9?
A23.9 is linked to 1 UMLS Concept Unique Identifier: C0006309. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does A23.9 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like brucellosis, unspecified 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 A23.9?
A23.9 maps to the ICD-11 code: 1B95 (Brucellosis).
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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.