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HelpTest Code RF Rheumatoid Factor
Specimen Requirements
Container/Tube: GRN/SST
Preferred: Plasma
Acceptable: Serum
Specimen Volume: 1.0 mL
SPECIMEN PROCESSING and HANDLING
For serum, complete clot formation should take place before centrifugation. Serum or plasma should be physically separated from cells as soon as possible with a maximum limit of two hours from the time of collection
TRANSPORT TEMPERATURE
Samples should be as fresh as possible (stored for no more than seven days at 2 – 8 °C) or stored frozen. Samples can be stored at below -20 °C for up to three months, if they are frozen within 24 hours after collection.
PERFORMING LAB
WKMC, WKB, WKP