Amino Acids Selective (For PKU/MSUD), Plasma
Evaluation of select plasma amino acids (Phe, Tyr, Leu, Ile, Val and aIle) is used in monitoring and adjusting dietary treatment in patients with phenylketonuria (PKU) and maple syrup urine disease (MSUD). This amino acid analysis is performed by ion exchange chromatography.
Draw 2-3 ml blood (fasting or 2-4 hour postprandial) in sodium heparin (green top) tube. Centrifuge and freeze plasma.
Shipping: Ship overnight frozen on dry ice.
Turnaround Time: 3 days
CPT Codes: 80500, 82136
Consent Form: Biochemical Consent [PDF]
Requisition Form: General Test Requisition [PDF]