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Methodology: See Individual Components
Edit Date: 6/11/2010
Components: Antinuclear Antibodies (ANA) / Rheumatoid Factor / Erythrocyte Sedimentation Rate, Westergren
Performed: Daily
Released: Same day as tested
CPT Code: 85652 / 86038 / 86431
Specimen Collection Details
Collection: One 4 mL lavender top tube (EDTA) AND one 7.5 mL serum separator tube (SST).
Handling: Allow SST to clot and centrifuge within one hour of collection. Separate serum into a plastic vial. Refrigerate. Transport specimens within 12 hours of collection.
Stability: Specimen may be tested up to 24 hours after collection. Studies show that a small number (<5%) of abnormal ESRs tested 16 hours or more after collection will correct to within the normal range.
Standard Volume: 3 mL EDTA whole blood and 2 mL serum.
Minimum Volume: 1.5 mL EDTA whole blood and 1 mL serum.
Transport: Refrigerated.
Rejection Criteria: Specimen age; frozen specimens; gross hemolysis or gross lipemia.

See individual components.

PeaceHealth Laboratories