- RFPS
Rheumatoid Factor
Specimen:
Test Code
RFPS
Specimen Name
Rheumatoid Factor
Collect
1-SST Also acceptable Lithium-Heparin
Submit
1 mL (Min: 0.5 mL) Serum or Plasma
Special Handling
Draw SST, allow to clot completely, or draw Lithium-Heparin, then centrifuge. Separate plasma into specimen transport tube if no gel separator.
Rejection Criteria
Grossly hemolyzed, lipemic, icteric specimens
Stability
Refrigerated 7 days
Methodology
Particle-Enhanced Immunoturbidimetric Assay
Performed
Sunday - Saturday
Reported
1-2 days
CPT Codes
- 86431
Components
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Additional Information
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Test Information
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Common Test Phrases
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Common Lab Definitions
- Serum
- Plasma
- STT