Rickettsia (RMSF) Antibodies (IgG, IgM) with Reflex to Titers
Also known as: Rocky Mountain Spotted Fever, Spotted Fever Typhus
Use
Antigen-specific IgG and IgM titers allow rapid diagnosis of infection by spotted fever group rickettsial agents, including R. rickettsii (Rocky Mountain Spotted Fever) and R. akari (rickettsial pox) in the United States.
Special Instructions
If IgG or IgM antibodies are detected, the appropriate titer will be reflexively performed at an additional charge.
Limitations
Even after infection has been treated, positive results may persist. False-positive reactions may occur during pregnancy.
Methodology
Immunoassay (Indirect Fluorescent Assay (IFA))
Biomarkers
LOINC Codes
- 32999-5
- 33000-1
Result Turnaround Time
1-4 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
1 mL serum
Minimum Volume
0.2 mL
Container
Plastic screw‑cap vial
Causes for Rejection
Gross hemolysis • Grossly lipemic
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 14 days |
| Frozen | 30 days |
Other tests from different labs that may be relevant