| Methodology: |
Quantitative High Performance Liquid Chromatography
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| Performed: |
Tue, Fri
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| Reported: |
1-6 days
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| Specimen Required: |
Collect: Green (sodium or lithium heparin) or plasma separator tube.
Specimen Preparation: Protect from light within one hour of collection, and during storage and shipment. Transfer 1 mL plasma to an ARUP Amber Transport Tube. (Min: 0.5 mL)
Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are requested.
Unacceptable Conditions: Specimens collected in EDTA provide a lower value of riboflavin concentration, therefore EDTA is not acceptable. Serum, whole blood, or body fluids. Non-frozen, hemolyzed, or lipemic specimens.
Stability (collection to initiation of testing): Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 1 month
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