2 working days
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Total of 31 carnitine species (C0, C2, C3, C3DC, C4, C4OH, C4DC, C5, C5DC, C5:1, C5OH, C6, C6DC, C8, C8:1, C10, C10:1, C10:2, C12, C14, C14:1, C14OH, C16, C16OH, C16:1, C16:1OH, C18, C18OH, C18:1, C18:1OH, C18:2OH)
Accredited NRL Laboratory
Monday to Friday
Screens for metabolic disorders by measuring acylcarnitines in a dried blood spot. Useful in newborn screening for fatty acid oxidation disorders.
Dried Blood Spot (DBS). Do not use EDTA-containing tube or device to collect samples.
3 DBS circles (1 cm diameter each) should be filled with free-flowing blood
Approved filter paper collection cards provided by NRL.
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.
The blood should be collected on 903 filter Paper (preferred), or 226 filter paper (acceptable) and allowed to dry at room temperature for four hours. Keep the paper card horizontal (on flat surface) during drying.
| Temperature | Period |
|---|---|
| Room temperature | 2 days |
| Refrigerated | 7 days |