UCSD Biochemical Genetics

A Program in the Division of Genetics, Department of Pediatrics, University of California San Diego
 
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Test: Carnitine, Free and Total
Comments:Carnitine is assayed by tandem mass spectrometry, with and without alkaline hydrolysis of esters. Reported values are total, free, and esterified carnitine.
Specimen type:Plasma, Urine, Tissue
Sample Requirements:Plasma, ≥1 mL (0.5 mL) from heparinized blood (green top tube) supernatant from clinical centrifugation (within 20 minutes) promptly frozen and shipped frozen (packed with dry ice or lyophilized).
Urine, 5-20 mL (minimum 3 mL), frozen without preservatives and shipped frozen (packed with dry ice).
Tissue, ≥30 milligram muscle, rapidly frozen/stored at -70°C, shipped frozen (packed with dry ice).
Turnaround time:Routine: 10-14 working days. Please provide information about carnitine therapy

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