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HelpTest Code QFP Q Fever Antibody, IgG and IgM, Serum
Specimen Required
Container/Tube:
Preferred: Serum gel
Acceptable: Red top
Specimen Volume: 0.5 mL
Forms
If not ordering electronically, complete, print, and send a Microbiology Test Request Form (T244) with the specimen (http://www.mayomedicallaboratories.com/it-mmfiles/microbiology_test_request_form.pdf).
Useful For
Diagnosing Q fever
Testing Algorithm
See Infective Endocarditis: Diagnostic Testing for Identification of Microbiological Etiology in Special Instructions.
Special Instructions
Method Name
Indirect Immunofluorescence
Reporting Name
Q Fever Ab, IgG and IgM, SSpecimen Type
SerumSpecimen Minimum Volume
0.25 mL
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum | Refrigerated (preferred) | 7 days |
| Frozen | 7 days |
Reject Due To
|
Hemolysis |
Mild OK; Gross reject |
|
Lipemia |
Mild OK; Gross reject |
|
Icterus |
NA |
|
Other |
NA |
Reference Values
Q FEVER PHASE I ANTIBODY, IgG
<1:16
Q FEVER PHASE II ANTIBODY, IgG
<1:16
Q FEVER PHASE I ANTIBODY, IgM
<1:16
Q FEVER PHASE II ANTIBODY, IgM
<1:16
Reference values apply to all ages.
Day(s) and Time(s) Performed
Monday through Friday; 9 a.m.
Analytic Time
Same day/1 dayPerforming Laboratory
Mayo Clinic Laboratories in Rochester
Test Classification
This test has been cleared or approved by the U.S. Food and Drug Administration and is used per manufacturer's instructions. Performance characteristics were verified by Mayo Clinic in a manner consistent with CLIA requirements.CPT Code Information
86638 x 4
LOINC Code Information
| Test ID | Test Order Name | Order LOINC Value |
|---|---|---|
| QFP | Q Fever Ab, IgG and IgM, S | 77175-8 |
| Result ID | Test Result Name | Result LOINC Value |
|---|---|---|
| 80965 | Q Fever Phase I Ab, IgG | 34716-1 |
| 24011 | Q Fever Phase II Ab, IgG | 34717-9 |
| 81115 | Q Fever Phase I Ab, IgM | 9710-5 |
| 24009 | Q Fever Phase II Ab, IgM | 9711-3 |
| 24010 | Interpretation | 69048-7 |