2 working days
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Total of 12 amino acids (alanine, glycine, arginine, citrulline, leucine (+isoleucine), methionine, ornithine, phenylalanine, proline, tyrosine, valine,Succinylacetone.)
Accredited NRL Laboratory
Monday to Friday
Measures individual amino acids in a dried blood spot. Screens for inborn errors of metabolism.
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 |