Rheumatoid Factor
Alternate Names
RA Factor, RA
SoftLab Order Code
RF
Epic Order Name
Rheumatoid Factor
Epic Order ID
LAB206
Laboratory
Raleigh
Sample Type
Serum
Collection Container
RST (Orange top - Rapid Serum Tube)
Alternative Collection Container
SST (Gold Top Serum Separator Tube)
Red/Black Speckle Top (Serum tube)
Collecting Volume
5.0 mL
Minimum Collecting Volume
1.0 mL
Storage or Stability
Refrigerated 4 days
Causes for Rejection
QNS, Hemolysis, Lipemia, Icterus, red cells not separated within 2 hours of collection.
CPT Codes
86431