- YRMSM
Rocky Mountain Spotted Fever (Rickettsia) IgM
Specimen:
Test Code
YRMSM
Specimen Name
Rocky Mountain Spotted Fever (Rickettsia) IgM
Collect
SST-Serum
Submit
1 mL (Min: 0.4 mL) Serum, Refrigerated.
Special Handling
Allow specimen to clot at room temperature. Separate from cells ASAP or within 2 hours of collection. Parallel testing is preferred and convalescent specimens must be received within 30 days from receipt of the acute specimens. Mark specimens plainly as "acute" or "convalescent."
Rejection Criteria
Contaminated, hemolyzed, or severely lipemic specimens.
Stability
Ambient 48 hours; Refrigerated 2 weeks; Frozen 1 year (avoid repeated freeze/thaw cycles)
Methodology
Semi-Quantitative Indirect Fluorescent Antibody (IFA)
Performed
Sunday - Saturday
Reported
2-5 days
CPT Codes
- 86757
Components
—
Additional Information
The CDC does not use IgM results for routine diagnostic testing of Rocky Mountain spotted fever, as the response may not be specific for the agent (resulting in false positives) and the IgM response may be persistent from past infection.
Disclaimer:
It is preferable to locate tests on the website and not rely on printed test information, which may soon be out of date. Updated test information can only be guaranteed by using this website.
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Common Lab Definitions
- Serum
- Plasma
- STT