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Methodology: Radioimmunoassay (RIA)
Edit Date: 10/20/2009
Performed: Tuesday
Released: 2-8 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 83519-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST) or one 5 mL red top tube. Patient should fast 12 hours prior to draw. Protect specimen from light.
Handling: Allow to clot, centrifuge and immediately separate serum from cells and pour into a plastic vial. Protect from light by wrapping in foil. Freeze. CRITICAL FROZEN. Send separate specimen when multiple tests are ordered.
Stability: 1 month frozen. Unstable ambient or refrigerated.
Standard Volume: 2 mL serum
Minimum Volume: 0.5 mL serum
Transport: Frozen on dry ice.
Rejection Criteria: Specimen not protected from light; lipemic or grossly hemolyzed specimen

Reference Range:
4.0-16.8 nmol/L (to convert to ng/mL, divide nmol/L by 3.95)

PeaceHealth Laboratories