Choose Test:
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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: 10-15 working days. Please provide information about carnitine therapy |
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