Rheumatoid Factor, Quantitative, Serum*

Important Note

*This test is orderable in Cerner as Rheumatoid Factor (RF)

Specimen Type: Blood
Container/Tube: Light-green top (lithium heparin gel or green-yellow)

Specimen Fill Volume: Full tube

Collection Instructions:

1. Send specimen in original tube.

2. If there is a delay in transport of >1 hour, centrifuge tube.

Roche Cobas

Rutland Regional Medical Center

Refrigerated

< 14 IU/mL

Daily

Analytical Time:

1 day

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