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Test Code QFEVR Q Fever Antibody Screen with Titer Reflex, Serum

Additional Codes

CNE Order Code: QFever Scrn


Ordering Guidance


 



Specimen Required


Supplies: Sarstedt Aliquot Tube, 5 mL (T914)

Collection Container/Tube:

Preferred: Serum gel

Acceptable: Red top

Submission Container/Tube: Plastic vial

Specimen Volume: 0.6 mL

Collection Instructions: Centrifuge and aliquot serum into a plastic vial.


Useful For

Screening for exposure to Coxiella burnetii, the causative agent of Q fever

 

This test should not be used as a screening procedure for the general population.

Reflex Tests

Test ID Reporting Name Available Separately Always Performed
QFP Q Fever IgM/IgG, Titer, S No No

Testing Algorithm

If the Q fever serology result is reactive, then Q fever antibody confirmation by indirect immunofluorescence will be performed at an additional charge.

 

For more information see Infective Endocarditis: Diagnostic Testing for Identification of Microbiological Etiology.

Method Name

Enzyme-Linked Immunosorbent Assay (ELISA)

Reporting Name

Q Fever Ab Scrn w/ Titer Reflex, S

Specimen Type

Serum

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Refrigerated (preferred) 7 days
  Frozen  7 days

Reject Due To

Gross hemolysis Reject
Gross lipemia Reject
Gross icterus Reject
Heat-inactivated specimen Reject

Reference Values

Negative

Reference values apply to all ages

Interpretation

Negative:

No antibodies to Q fever (Coxiella burnetii) detected. Repeat testing on a new sample collected in 2 to 3 weeks if acute Q fever is suspected.

 

Reactive:

Not diagnostic. Sample reflexed to the indirect immunofluorescence assay to determine Q fever (Coxiella burnetii) phase I and phase II IgM and IgG titers.

Day(s) Performed

Sunday through Friday

Report Available

1 to 4 days

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

86638

86638 x 4 (if applicable)

LOINC Code Information

Test ID Test Order Name Order LOINC Value
QFEVR Q Fever Ab Scrn w/ Titer Reflex, S 23019-3

 

Result ID Test Result Name Result LOINC Value
QFEVR Q Fever Ab Scrn w/ Titer Reflex, S 23019-3

Forms

If not ordering electronically, complete, print, and send an Infectious Disease Serology Test Request (T916) with the specimen.