Test Directory
3229 Rheumatoid Factor (RA)
Specimen Type
Specimen Stability
Reference Range
Serum-SST
7 days 2-8°C
<14 IU/mL
Specimen Requirements
Preferred amount: 1.0 mL Serum
Minimum amount: 0.5 mL Serum
Minimum amount: 0.5 mL Serum
Method
Latex immunoturbidimetry
Schedule
Mon-Fri
Turn-Around Time
24hrs
Instructions/Notes
Centrifuge required?: Yes
Clinical Utility
To help diagnose rheumatoid arthritis (RA) and Sjögren's syndrome, to help in the differential diagnosis and prognosis of arthritic disorders.
CPT Codes
86431
