44480:RHEUMATOID FACTOR
Author PeaceHealth Laboratories
Modified by
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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. |