TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: TRYPU    
Tryptophan, Random, Urine

Useful For Suggests clinical disorders or settings where the test may be helpful

Aiding in the screening and monitoring of Hartnup disease

Highlights

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.

Method Name A short description of the method used to perform the test

Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.

Yes

Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Tryptophan, U

Aliases Lists additional common names for a test, as an aid in searching

Hartnup Disease