Lakeland Health Care

Laboratory Test Catalog

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5-Hydroxyindoleacetic Acid, Urine
Alternate Test Name 5-HIAA, Urine
Urine Serotonin
Mnemonic LAB352
Test Performance Schedule Wednesday, Sunday
Result Availabilty 1-3 days
Specimen Required
Container 24-hour Urine Container, no preservative
Volume Entire timed urine
Collection Instructions • To begin collection of timed specimen, have patient urinate, noting the date and exact time
• Discard this first portion of urine, but document date and time of voiding on the container label and test requisition as the "start" of the timed specimen
• Save all urine voided during the designated time period (usually 24 hours), including the portion voided at exact end of time period
• Document date and time of final voiding on the label and requisition as the "end" of the timed specimen

24 Hour Urine Collection Instructions.pdf
Transportation Instructions Refrigerate during and after collection
Remarks Patient Preparation:
• For 72 hours prior to and during the collection, observe the following dietary restrictions: avoid avocados, bananas, eggplant, pineapple, plantain, plums, tomatoes and walnuts
• Avoid medications, over the counter drugs or herbal remedies
CPT Codes 83497
Effective/Revised 8/16/12

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