Coxiella burnetii (Q-Fever) Antibodies, IgG and IgM, Phase I and II with Reflex to Titer
Test Mnemonic
COXGMR
CPT Codes
- 86638 - QTY (4)
Includes
- C. burnetii Ab, Phase I IgG
- C. burnetii Ab, Phase II IgG
- C. burnetii Ab, Phase I IgM
- C. burnetii Ab, Phase II IgM
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Serum | SST (Gold) | Refrigerated | Separate serum from cells ASAP or within 2 hours of collection and transfer to standard aliquot tube. Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Label specimens plainly as 'acute' and 'convalescent.' |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.4 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | After separation from cells: 2 weeks |
| Frozen | After separation from cells: 1 year (Avoid repeated freeze/thaw cycles) |
| Ambient | After separation from cells: 48 hours |
Days Performed
Mon, Wed, Fri
Turnaround Time
2 - 7 days
Methodology
| Name | Description |
|---|---|
| Semi-Quantitative Indirect Fluorescent Antibody |
Special Info
Parallel testing is preferred and convalescent specimens MUST be received within 30 days from receipt of the acute specimens. Contaminated, hemolyzed, or severely lipemic specimens are unacceptable. For IgG or IgM testing, if any Phase I or Phase II screening result is indeterminate or positive, titer(s) will be added at an additional cost. This test is New York DOH approved.
Clinical Info
Used to confirm infectious agent as C. burnetii (Q-fever) in symptomatic patients.