Casandra
Casandra Test Code QD05773Version 1 (DRAFT)
Performing Lab
Rickettsia Antibody Panel with Reflex to Titers
Also known as: Weil-Felix, Proteus OX-2, Proteus OX-19, Proteus OX-K, Febrile Agglutinins
Clinical Use
Order TestUse
Antigen‑specific IgG and IgM titers allow rapid diagnosis of infection by organisms within either of the two major groups of Rickettsia. The spotted fever group includes R. rickettsii (Rocky Mountain Spotted Fever) and R. akari (Rickettsialpox). The typhus group includes R. typhi (endemic/murine typhus) and R. prowazekii (epidemic typhus).
Special Instructions
Not provided.
Limitations
Even after infection has been treated, positive results may persist. False‑positive reactions may occur during pregnancy.
Test Details
Methodology
Immunoassay (Other)
Biomarkers
4 targets
R. typhi IgGR. typhi IgMRMSF IgGRMSF IgM
Result Turnaround Time
6 days
Related Documents
For more information, please review the documents below
Specimen Requirements
Specimen
Serum
Volume
1 mL serum
Minimum Volume
0.2 mL
Causes for Rejection
Gross hemolysis • Grossly lipemic
Stability Requirements
| Temperature | Period |
|---|---|
| Room Temperature | 7 days |
| Refrigerated | 14 days |
| Frozen | 30 days |