| Methodology: |
Quantitative High Performance Liquid Chromatography
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| Performed: |
Sun, Thu
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| Reported: |
1-6 days
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| Specimen Required: |
Patient Prep: Patient should fast overnight prior to specimen collection. Patient may have water. It is not necessary to discontinue nutritional supplements prior to this test.
Collect: Plasma separator tube, green (sodium or lithium heparin), serum separator tube, or plain red.
Specimen Preparation: Protect from light within one hour of collection and during storage and shipment. Transfer 1 mL serum or plasma to an ARUP Amber Transport Tube. (Min: 0.3 mL)
Storage/Transport Temperature: Frozen.
Unacceptable Conditions: Specimens other than heparinized plasma or serum. Hemolyzed specimens. Specimens exposed to repeated freeze/thaw cycles.
Stability (collection to initiation of testing): After separation from cells: Ambient: Unacceptable; Refrigerated: 3 weeks; Frozen: 1 month
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