Test directory: 5-HIAA, Random Urine

Ordering Code4157
Test Name5-HIAA, Random Urine
Alias5-HIAA (5-Hydroxyindoleacetic Acid)
Preferred SpecimenUrine
Preferred ContainerSterile Container
Other Specimen/ContainerUrine without preservative is acceptable if pH is below 6 and the sample is shipped frozen.
Optimum Volume10 mL
Collection InstructionsPatient should avoid food high in indoles: avocados, banana, tomato, plum, walnut, pineapple and eggplant. Patient should also avoid tobacco, tea and coffee three days prior to specimen collection.
Handling InstructionsAfter urine collection, add 6N HCI to maintain a pH below 3.
Transport RequirementsOahu: Refrigerated
Airline: Refrigerated
Specimen StabilityAmbient: 7 Days
Refrigerated: 30 Days
Frozen: 30 Days
Avail. StatNO
Analytic TimeUp to 10 Days
MethodologyHigh Performance Liquid Chromatography (HPLC),
Electrochemical Detection
Reference Lab Quest Diagnostic Lab-NI

Reference range(s)

ComponentAgeMale NormMale Critical LowMale Critical HighFemale NormFemale Critical HighFemale Critical LowUnitsAdd'l info
Creatinine, Random UrineALLSee report.
5-HIAAALLSee report.