Web: | mayocliniclabs.com |
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Email: | mcl@mayo.edu |
Telephone: | 800-533-1710 |
International: | +1 855-379-3115 |
Values are valid only on day of printing. |
Aiding in the screening and monitoring of Hartnup disease
Determination of tryptophan by conventional amino acid profiling methods (ninhydrin-based, HPLC) is hampered by coelution with other compounds. This test utilizes liquid chromatography-tandem mass spectrometry to quantify tryptophan and is interference free.
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)