Methodology
Immunoassay (IA)
Synonyms
RF; Rheumatoid arthritis; RA
Specimen Type
Serum
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
Other Reference Test
Lab Test Days
Tuesday and Saturday
Standard TAT
1-4 Days
Collection Information
Specimen Required
1-2 mL Blood
Container Type
Red-Top Tube
Processing Information - Lab Use Only
Transport Temperature
Refrigerated-OK/Frozen-OK
Specimen Stability
Room Temp: 48 Hours; Refrigerated: 8 Days; Frozen: 28 Days
Rejection Criteria
Gross hemolysis; Grossly lipemic; Grossly icteric; Heat treated samples; Serum Separator Tube (SST)
Test Volume Required
1 mL Serum
Minimum Test Volume
0.3 mL Serum
CPT Codes
83520
Revised
1/4/24
Initials
SA