If you have more than one test - add them one by one. Please select an item from the autocomplete list Max stores per result: Any 1 2 3 4 5 6 7 8 Verbose: See search details Laboratory tests search details 5-Hydroxyindoleacetic Acid (HIAA), Quantitative, 24-Hour Urine (test) (remove) LabCorp test: 004069 (LabCorp) Components: 5-HIAA, Urine, 5-HIAA, Urine, 24hr No results found