Rheumatoid FactorMain Content
Test Code: 4418
Clinical Significance: Elevated RF is found in collagen vascular diseases such as SLE, rheumatoid arthritis, scleroderma, Sjögren's Syndrome, and in other conditions such as leprosy, tuberculosis, syphilis, malignancy, thyroid disease and in a significant percentage of otherwise normal elderly patients.
Alternative Name(s): RF
Supply: T01 - Red/Gray SST 8.5mL
Preferred Specimen: Serum
Preferred Volume: 1mL
Transport Container: Serum Separator Tube (SST)
Transport Temperature: Room Temperature
Specimen Stability: Room Temperature: 5 days
Rejection Criteria: Contact DLO's Customer Service for specific criteria.
For additional supply or collection device information, please contact DLO's Customer Service at (800) 891-2917, option 2.