Coxiella burnetii (Q Fever) Phase I and II by IFA


Sunquest Code:QFVG12  
Epic Code:LAB3707Epic Name:CoxiellaB Antibody IGG Phase 1and 2 with reflex
Synonyms:Q Fever
Methodology:Immunofluorescence assay
Test Includes:Phase I and II Q Fever Antibody with reflex to titer
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 1-6 days.
Special Instructions:Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as "acute" or "convalescent".


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.4 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Contaminated, hemolyzed or severely lipemic specimens.


Processing and Shipping

Specimen Processing:Within 2 hours of collection, centrifuge and aliquot 1 mL, 0.3 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 48 hours at room temperature; 2 weeks refrigerated; 1 year frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2012625


Interpretive

Reference Range:

Phase I

Negative

Phase II

Negative

 

 

Use:Single phase II IgG titers of 1:256 and greater are considered evidence of C. burnetii infection at some time prior to the date of the serum specimen. Phase I antibody titers of 1:16 and greater are consistent with chronic infection or convalescent phase of Q-fever.


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