Rheumatoid Factor, Quantitative, Serum*
Instrumentation
Roche Cobas
Performing Laboratory
Rutland Regional Medical Center
Specimen Requirements
Specimen Type: Blood
Container/Tube: Light Green LiHep Plasma Gel Tube
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.
Specimen Transport Temperature
Refrigerated
Reference Values
0-15 IU/mL
Day(s) Performed
Daily
Analytical Time:
1 day
Test Classification and CPT Coding
86431