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Q Fever Antibodies with Reflex to Titer
MessageImmediate Specimen Processing: Centrifuge specimen before transporting to the lab. If drawn using a plain red-top tube, transfer serum to a plastic screw-cap tube prior to transportation. Ambulatory Transport Temperature to Inova Central Lab: Refrigerated Specimen Stability: 7 days
Test Code
LAB3937 QFVR
Alias/See Also
QFVR
CPT Codes
86638
Includes
Includes: If Q Fever IgG Phase I is Positive, then Q Fever IgG Phase I Titer will be performed at an additional charge CPT code: 86638.If Q Fever IgG Phase II is Positive, then Q Fever IgG Phase II Titer will be performed at an additional charge CPT code: 86638.If Q Fever IgM Phase I is Positive, then Q Fever IgM Phase I Titer will be performed at an additional charge CPT code: 86638.If Q Fever IgM Phase II is Positive, then Q Fever IgM Phase II Titer will be performed at an additional charge CPT code: 86638.@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@
Instructions
Preferred Testing Volume: 1 mL serum Minimum Testing Volume: 0.2 mL serumTransport Temperature: Refrigerated Stability: Ambient: 4 daysRefrigerated : 7 daysFrozen: 30 days Performing Lab: Quest Diagnostics SJC
Report Available
8-Days
Clinical Significance
1230171416
Last Updated: May 18, 2026