| Methodology: |
Radioenzymatic Assay
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| Performed: |
Sun, Tue-Fri
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| Reported: |
1-4 days
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| Specimen Required: |
Collect: One 5 mL lavender (EDTA) or pink (K2 EDTA).
Transport: 1 mL plasma, frozen. Submit specimen in an ARUP Amber Transport Tube. (Min: 0.2 mL)
Pediatric Collection/Transport: 0.2 mL plasma, frozen.
Remarks: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. Protect from light during collection, storage, and shipment. Separate plasma from cells and freeze ASAP.
Unacceptable Conditions: Nonfrozen specimens.
Stability: After separation from cells: Ambient: Unacceptable; Refrigerated: 4 hours; Frozen: 2 months
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