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Rickettsia (Typhus Fever) Antibodies (IgG, IgM) with Reflex to Titers : 37503
Test CodeTYPGM or 37503
Alias/See Also
Rickettsia typhi; Rickettsia prowazeki; Typhus Fever; Murine Typhus; Maurine typhus; Brill-Zinsswe disease
CPT Codes
86757x2
Includes
If Rickettsia (Typhus Fever) screen is detected, IgG or IgM, the appropriate Titer will be performed at an additional charge (CPT code(s): 86757 for each titer performed). (If reflex: non-orderables 37503-2 or 37503-3)
Instructions
Serum separator tube.
Transport Container
Centrifuge serum separator tube and transport, 1 mL serum (Min: 0.2 mL).
Transport Temperature
Refrigerated.
Specimen Stability
After separation from cells: Ambient: 7 days; Refrigerated: 14 days; Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis. Gross lipemia.
Methodology
Immunofluorescence Assay (IFA)
Setup Schedule
Monday - Friday
Report Available
1-4 days (From receipt at performing laboratory)
Reference Range
Screen Titer R. typhi IgG Not detected less than 1:64 R. typhi IgM Not detected less than 1:64 |
Clinical Significance
Antigen specific IgG and IgM titers allow rapid diagnosis of infection by one or more of the typhus fever group of rickettsial agents. This group includes Rickettsia typhi (endemic or maurine typhus) R. prowazeki (epidemic typhus), and Brill-Zinsswe disease caused by reactivation of latent R. prowazeki.
Performing Laboratory
Quest Diagnostics