Laboratory Test Information Guide

Details for Q fever Serology

Test Name: Q fever Serology
Alternate Name(s): Coxiella burnetti Serology
Laboratory: Microbiology (VH)
Specimen Type: 5 mL Gold top or 6 mL Red top Vacutainer tube
Collection Information: Collect blood aseptically in a Vacutainer tube.

An acute (collected early after the onset of symptoms) and a convalescent (collected 2-3 weeks later) may be required for laboratory diagnosis.

Indicate date of onset, exposure to animals, symptoms and other important clinical information on the Public Health Requisition.
Test Schedule: Referred out weekdays to the Public Health Laboratory.

STAT requests must be cleared by the Medical Microbiologist.
Turnaround time from when specimen
is received in testing laboratory:
10 days
Reference Range:  
Effective Date: 2010-09-13
Revised Date: 2019-04-08
Critical Value:  
Interpretive Comments: Positive antibody results should be correlated with clinical findings.
Special Processing:  
Comments: Q Fever has an incubation period of approximately 2 to 3 weeks.
Method of Analysis: Indirect Immunofluorescence antibody (IFA) assay for IgG and IgM for both phase 1 and phase 2 antibodies
Critical Information Required: Provide clinical history.
Storage & Shipment: Specimen must be received within 24 hours of collection.

The specimen must be refrigerated.

If the transport time exceeds 24 hours, the specimen will only be tested if appropriate.
System Codes: 
Referred To: Public Health Laboratory

Questions? Comments? Contact Laura Gopaul