Amino Acids, Blood
Plasma or Serum.
Capillary and EDTA samples are not acceptable.
200 µL of plasma (green top lithium heparin or sodium heparin) or serum (red top serum tube)
- Plasma/serum must be separated within 1 hour of collection and kept frozen
- Ship sample frozen on dry ice
Hemolyzed samples adversely affect results.
Quantitative analysis of conventional proteinogenic and nonstandard amino acids is important for the detection and monitoring of patients with inborn errors of metabolism. Additionally, knowledge of amino acid concentrations provides useful information when determining nutritional status following total parenteral nutrition, surgery and shock trauma treatment.
Amino acidopathies, organic acidopathies and other disorders/disturbances that affect amino acid metabolism.
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