Levocarnitine, L-Carnitine®
10 days
High-pressure liquid chromatography/tandem mass spectrometry (LC/MS-MS)
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Measures both total and free carnitine. Helps diagnose carnitine deficiency or metabolic disorders.
Serum or Plasma
3 mL
Red-top tube, gel-barrier tube, or green-top (heparin) tube
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Strictly frozen, requires own sample container
| Temperature | Period |
|---|---|
| Frozen | 14 days |