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Rheumatoid Factor
435

Information

Rheumatoid Factor – Elevated RF is found in collagen vascular diseases such as SLE, rheumatoid arthritis, scleroderma, Sjogren’s syndrome, and in other conditions such as leprosy, tuberculosis, syphilis, malignancy, thyroid disease and in a significant percentage of otherwise normal elderly patients.

Methodology
Turbidimetry/Immunoturbidimetric
Specimen Required

SST, Serum. Volume 1 (0.5) mL. Stability: Ambient – 72 Hours, Refrigerated – 7 Days, Frozen – 2 Months

CPT Code(s)
86431