Amino Acids Quantitative by LC-MS/MS, Plasma
Specimen Collection Requirements
Adults: Fasting specimen preferred. Infants and children: Draw specimen prior to feeding or 2-3 hours after a meal.
Plasma, one 4.0 mL green (sodium or lithium heparin) top tube
Clinical information is needed for appropriate interpretation. Additional required information includes age, gender, diet (e.g., TPN therapy), drug therapy and family history. CRITICAL FROZEN. Separate from cells ASAP. Separate specimens must be submitted when multiple tests are ordered.
0.25 mL (0.60 mL minimum whole blood draw)
AFTER SEPARATION FROM CELLS: Ambient: Unacceptable; Refrigerated: 24 hours; Frozen: 1 month
Quantitative Liquid Chromatography/Tandem Mass Spectrometry
Monday, September 23, 2019 10:48:13 PM
Client Services: 503-413-1234