| Methodology: |
Quantitative Radioimmunoassay
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| Performed: |
Sun-Sat
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| Reported: |
2-4 days
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| Specimen Required: |
Patient Prep: If upright specimen is collected, patient should be seated or standing for at least 2 hours.
Collect: Serum separator tube or plain red.
Specimen Preparation: Transport 1 mL serum. (Min: 0.75 mL) Also acceptable: Heparinized plasma.
Storage/Transport Temperature: Frozen.
Unacceptable Conditions: EDTA plasma.
Stability (collection to initiation of testing): Ambient: 4 hours; Refrigerated: 1 week; Frozen: 1 month
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