| Methodology: |
Tandem Mass Spectrometry
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| Performed: |
Sun-Sat
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| Reported: |
1-2 days
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| Specimen Required: |
Collect: One 7 mL plain red or serum separator tube. Also acceptable: lavender EDTA, pink (K2EDTA), green (sodium heparin), gray (sodium fluoride/potassium oxalate), or citrate.
Transport: 3 mL serum or plasma, frozen. Submit specimen in an ARUP Standard Transport Tube.
Pediatric Collection/Transport: 1.5 mL serum or plasma, frozen.
Unacceptable Conditions: Grossly hemolyzed or lipemic specimens.
Stability: After separation from cells: Ambient: Unacceptable; Refrigerated: 4 days; Frozen: 1 month
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