| Methodology: |
Quantitative Electrochemiluminescent Immunoassay
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| Performed: |
Sun-Sat
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| Reported: |
Within 24 hours
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| Specimen Required: |
Patient Prep: Collect specimens at 0, 30, and 60-minute intervals, post TRH administration (three timed specimens).
Collect: Serum separator tube or plasma separator tube. Collect separate tube for each time point. Also acceptable: Lavender (EDTA) or green (sodium or lithium heparin).
Specimen Preparation: Allow specimen to clot completely at room temperature. Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma per interval to individual ARUP Standard Transport Tubes. (Min: 0.5 mL/interval)
Storage/Transport Temperature: Refrigerated.
Unacceptable Conditions: Grossly hemolyzed specimens.
Stability (collection to initiation of testing): After separation of cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 1 month
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