CPT/HCPCS
86757
Order Code
CH607
Turnaround Time
24-48 hours
Test Includes
If RMSF IgG is Detected, then RMSF IgG Titer will be performed at an additional charge (CPT code(s): 86757).
Specimen Requirements
Specimen Source
Serum
Transport Container
(Specimen Container)
(Specimen Container)
SST (Tiger Top)
Preferred Specimens
1 mL serum
Minimum Volume (uL)
0.2 mL
Collection Instructions
(Transport Temperature)
(Transport Temperature)
Transport at Room Temperature
Specimen Stability
| Temperature | Period |
|---|---|
| Room temperature | 7 days |
| Refrigerated | 14 days |
| Frozen | 30 days |
Reject Criteria
Gross hemolysis
Grossly lipemic
Test Details
Methodology
Immunofluorescence Assay (IFA)
Clinical Significance
Rickettsia (RMSF) Antibodies (IgG, IgM) with Reflex to Titers – Antigen specific IgG and IgM titers allow rapid diagnosis of infection by any of the spotted fever group of rickettsial agents. This group of agents include R. rickettsii (Rocky Mountain Spotted Fever) and R. akari (rickettsial pox), both seen in the continental United States.
Reference Ranges
Screen: Not detected
Titer: <1:64
