Coxiella burnetii (Q-Fever) Antibody IgG, Phase II by IFA
0050464
Ordering Recommendation
 
Mnemonic
Q-F II
Methodology
Semi-Quantitative Indirect Fluorescent Antibody
Performed
Tue, Fri
Reported
1-5 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Serum separator tube.  
Specimen Preparation
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube. (Min: 0.1 mL) 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.  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
Urine. Contaminated, hemolyzed, or severely lipemic specimens.  
Remarks
  
Stability
After separation from cells: Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 year  
Reference Interval
Phase II: <1:16 No antibody detected.  
Interpretive Data
Single phase II IgG titers of 1:256 and greater are considered evidence of C. burnetii infectionat some time prior to the date of the serum specimen.  
Note
 
CPT Code(s)
86638
Components
Component Test Code*Component Chart NameLOINC
0050464Q-Fever, Phase II IgG Antibody9709-7
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Aliases
  • Coxiella burnetii
  • Coxiella Titer
  • Q Fever Phase II IFA