1C33ICD-11 MMS 2026-01
Q fever
Description
A disease caused by an infection with the gram-negative bacteria Coxiella burnetti. This disease is characterised by fever, or may be asymptomatic. Transmission is by inhalation of the bacteria, contact with contaminated milk, urine, faeces, vaginal mucus, or semen of infected animals, or through the bite of an infected tick.
Index terms
- Q fever
- Australian Q fever
- Balkan grippe
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- Infection due to Coxiella burnetii
- Nine Mile fever
- Quadrilateral fever
- Pneumonia in Q fever
- Q fever pneumonia
- Cardiac Q fever
- Q fever endocarditis
Inclusions
- Infection due to Coxiella burnetii
- Nine Mile fever
- Quadrilateral fever
Exclusions from above levels
NE83.1– Infection arising from device, implant or graft, not elsewhere classified
Sibling codes
Foundation entity
Allowed postcoordination axes
Part of: 01: Certain infectious or parasitic diseases