A78
BillableQ fever
Q fever
Coding Notes
Inclusion Terms
Alternative clinical terms for this condition
- Infection due to Coxiella burnetii
- Nine Mile fever
- Quadrilateral fever
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
Excludes 2
Conditions not included here, but the patient may have both
Use Additional Code
Additional codes that should follow this code
ICD-11 Equivalents(1)
ICD-11 Equivalents
View full mappingCorresponding ICD-11 codes from the WHO crosswalk mapping
Also Known As / Clinical Terms(112)
SNOMED CT
- Pneumonia in Q fever32286006
- Q fever pneumonia32286006
- Bacterial osteomyelitis61011009
- Cardiac Q fever95890006
- Endocarditis - Q fever95890006
- Q fever endocarditis95890006
- Abattoir fever186788009
- Balkan grippe186788009
- Balkan influenza186788009
- Infection due to Coxiella burnetii186788009
- Q fever186788009
- Query fever186788009
- Q fever myocarditis233867000
- Q fever pericarditis233884006
- Chronic Q fever409552002
- Acute Q fever409553007
- Q fever hepatitis409554001
- Meningitis caused by Coxiella burnetii409555000
- Q fever meningitis409555000
- Q fever encephalitis409556004
- Q fever osteomyelitis409557008
- Bacterial myelitis721245001
- Myelitis caused by bacterium721245001
- Infection causing encephalomyelitis721249007
- Infectious encephalomyelitis721249007
- Coxiella infection721758001
- Infection caused by Coxiella721758001
- Bacterial encephalomyelitis860841006
- Encephalomyelitis caused by bacterium860841006
- Coxiella burnetii encephalomyelitis860842004
- Encephalomyelitis caused by Coxiella burnetii860842004
- Bacterial hepatitis318191000009109
- Hepatitis caused by bacteria318191000009109
UMLS
- Abattoir feverC0034362
- Balkan grippeC0034362
- Balkan influenzaC0034362
- Coxiella burnetii FeverC0034362
- Coxiella burnetii FeversC0034362
- Coxiella burnetii infectionC0034362
- Fever, Coxiella burnetiiC0034362
- Fever, QC0034362
- Fever, QueryC0034362
- Fevers, Coxiella burnetiiC0034362
- Fevers, QC0034362
- Fevers, QueryC0034362
- Infection due to Coxiella burnetiiC0034362
- Nine Mile feverC0034362
- Nine-mile feverC0034362
- Q FeverC0034362
- Q FeversC0034362
- Q feverC0034362
- Q fever (disorder)C0034362
- Q-feverC0034362
- Quadrilateral feverC0034362
- Query FeverC0034362
- Query FeversC0034362
- Query feverC0034362
- fever qC0034362
- fever queryC0034362
- q feverC0034362
- q-feverC0034362
- query feverC0034362
Clinical Terms
- Q Fevers
- Infection due to Coxiella burnetii
- Hepatitis caused by bacteria
- fever q
- Q fever hepatitis
- Coxiella infection
- Fever, Q
- Q fever osteomyelitis
- Q fever (disorder)
- fever query
- Meningitis caused by Coxiella burnetii
- Bacterial myelitis
- Bacterial osteomyelitis
- Infectious encephalomyelitis
- Q fever myocarditis
- Coxiella burnetii Fevers
- Chronic Q fever
- Nine-mile fever
- Bacterial encephalomyelitis
- Q fever pericarditis
- Myelitis caused by bacterium
- Fevers, Query
- Query fever
- Q-fever
- Coxiella burnetii encephalomyelitis
- Encephalomyelitis caused by Coxiella burnetii
- Encephalomyelitis caused by bacterium
- Balkan influenza
- Query Fevers
- Q fever meningitis
- Fever, Query
- Infection caused by Coxiella
- Pneumonia in Q fever
- Fever, Coxiella burnetii
- Fevers, Coxiella burnetii
- Infection causing encephalomyelitis
- Quadrilateral fever
- Cardiac Q fever
- Abattoir fever
- Q fever endocarditis
- Coxiella burnetii infection
- Coxiella burnetii Fever
- Nine Mile fever
- Endocarditis - Q fever
- Balkan grippe
- Q fever pneumonia
- Fevers, Q
- Acute Q fever
- Bacterial hepatitis
- Q fever encephalitis
Frequently Asked Questions
What is the ICD-10 code for q fever?
The ICD-10-CM code for q fever is A78. The full clinical description is "Q fever". A78 is a billable/specific code that can be used on insurance claims and medical billing.
What does ICD-10 code A78 mean?
ICD-10-CM code A78 represents “Q fever”. 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 A78 a billable code?
Yes, A78 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.
What chapter is A78 in?
A78 is in Chapter 1: Certain Infectious and Parasitic Diseases (codes A00-B99).
What codes cannot be used with A78?
A78 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 A78?
Yes, when using A78, also report: resistance to antimicrobial drugs (Z16.-).
What SNOMED CT codes does A78 map to?
A78 maps to 18 SNOMED CT concepts: 186788009, 409553007, 860841006, 318191000009109, 721245001, and 13 more. SNOMED CT is a clinical terminology used in electronic health records.
What are the UMLS CUIs for A78?
A78 is linked to 1 UMLS Concept Unique Identifier: C0034362. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.
How does A78 relate to ICF functioning codes?
ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like q fever 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 A78?
A78 maps to the ICD-11 code: 1C33 (Q fever).
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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.