Glutaric acidemia type 1
Tryptophan Analysis
Tryptophan Analysis
This test is a quantitative measurement tryptophan.
Technical Information
Liquid chromatography-tandem mass spectrometry (LC-MS/MS)
Specimen Requirements
Plasma: A minimum of 3 mL whole blood collected in a sodium heparin tube; or blood can be centrifuged and a minimum of 1 mL plasma removed and sent for analysis.
Transport Instructions
Plasma: Plasma should be frozen after collection and shipped frozen, preferably on dry ice. Whole blood should be shipped at ambient temperature.
Connect With Our Experts
Call 1-800-473-9411 to speak with our team of laboratory genetic counselors for questions or additional information.
Robin Fletcher, MS, CGC
Falecia Thomas, MS, CGC
Alex Finley, MS, CGC