| Methodology: |
Radioimmunoassay
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| Performed: |
Wed, Sat
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| Reported: |
3-7 days
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| Specimen Required: |
Collect: 5 mL blood into any chilled container of EDTA, plus 0.2 cc of aprotinin. (0.04 cc aprotinin per mL of whole blood.)
Transport: 1 mL plasma (EDTA plus aprotinin), frozen. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.
Remarks: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. Immediately centrifuge, separate plasma from cells (Min: 0.5 mL plasma), and freeze. To prevent analyte degradation, aprotinin inhibitor is the required additive for this assay. Inhibitor vials are available through ARUP Client Services (ARUP Supply #16570).
Unacceptable Conditions: Nonfrozen or hemolyzed specimens.
Stability: After separation from cells: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 3 months
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