| Methodology: |
High Performance Liquid Chromatography/Tandem Mass Spectrometry
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| Performed: |
Varies
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| Reported: |
Within 7 days
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| Specimen Required: |
Collect: One 7 mL plain red, lavender (EDTA), or pink (K2 EDTA) prior to dosing (trough).
Transport: 3 mL serum or plasma at 20-25°C. (Min: 1 mL) Submit specimen in an ARUP Standard Transport Tube.
Unacceptable Conditions: Separator tubes.
Stability: Ambient: 2 weeks; Refrigerated: 2 weeks; Frozen: 7 months
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