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Test Code
QFVRS
Test Name
Q-Fever Antibody Screen
CPT Codes
86638 X 4
Included Tests
  • Q Fever IgM Phase I
  • Q Fever IgM Phase II
  • Q Fever IgG Phase I
  • Q Fever IgG Phase II
Expected Turnaround Time
8 - 14 days
Clinical Utility
Confirm infectious agent as C. burnetii (Q-fever) in symptomatic patients.
Specimen and Container Info

Specimen Type: Serum

Collection Container: Gold Top, Serum Separator

Alternate Collection Container: Red Top, Plain

Desired Specimen Volume: 1 mL
Collection Instructions
  1. Collect specimen in gold top, serum separator tube via venipuncture
Processing and Submission Instructions
  1. Separate serum from cells.
  2. Transfer 1 mL of serum to a clear aliquot tube (screw cap).
Transport Instructions

Transport to the laboratory refrigerated. 
Stability Requirements

Room Temperature

48 hours

Refrigerated

30 days

Frozen

30 days

Freeze/Thaw Cycles

 Stable x4
Causes for Rejection
  • Contaminated
  • Highly lipemic
  • Grossly hemolyzed
  • Specimens outside the listed stability.
Methodology
IFA
Reference Intervals

 See patient report.
Alternate Names
  •  Coxiella burnetii
Reference Lab
Labcorp Of America Holdings
Testing Schedule
Routine, 4 times per week
Reflex Tests
QFG1, QFG2, QFM1, QFM2
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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