44480:RHEUMATOID FACTOR

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44480:RHEUMATOID FACTOR
Alias Names: Rhematoid Arthritis (RA) / RA
Methodology: Nephelometry (NEPH)
Edit Date: 6/11/2010
Performed: Daily
Released: Same day as tested
CPT Code: 86431
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST). Also acceptable: One 5 mL red top tube.
Handling: Allow to clot, centrifuge and within 2 hours separate serum from cells into a plastic vial. Refrigerate.
Stability: 72 hours refrigerated, or 3 months frozen if frozen within 24 hours of collection.
Standard Volume: 1 mL serum.
Minimum Volume: 0.5 mL serum.
Transport: Refrigerated, or frozen on dry ice.
Rejection Criteria: Plasma; gross hemolysis.

Reference Range:
0-15 IU/mL

PeaceHealth Laboratories