Test Code RF Rheumatoid Factor

Specimen Required

Lithium Heparin Plasma Separator Tube (GREEN) or

Serum Separator Tube SST (YELLOW)

Handle and store specimens in containers to avoid contamination and evaporation.

Centrifuge specimens to remove the plasma/serum from the cellular material within 2 hours of collection.

Specimen Stability

* Room Temperature: 24 Hours

* Refrigerated: 3 Days

* Frozen: 6 Months

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