1. Some medications could interfere with test results. If medically feasible, for 48 hours before specimen collection, patient should not take the following medications: -Acetaminophen (Tylenol or generic versions) -Tryptophan containing supplements 

2. For 48 hours prior to, as well as during, the urine collection, the patient should limit the following to one serving per day: -Fruits -Vegetables -Nuts -Caffeinated beverages or foods

1. Collection duration and urine volume in milliliters are required. 

2. Patient's age and sex are required.

24 Hour urine collection.
Alternately, a pour-off sample from a 24 hour urine collection is acceptable but the client must measure the 24 hour urine volume and indicate the volume on the requisition.

24-Hour Urine Collections:
1. To begin the collection, empty the bladder and discard this urine. Record this time and date as the start of the collection. 
2. 24-Hour urine collections should be started Sunday through Thursday. 
3. Collect all urine excreted during the next 24 hours in the urine collection container. 
4. Exactly 24 hours after the collection was begun, empty the bladder for the last time. Add this urine to the 24 hour urine container. The collection is finished.
5. The starting and ending times of collection are required.
6. The container should be refrigerated during and after the 24 hour collection period until it can be brought to Saint Luke’s Regional Laboratories.

Enter the total volume in the Beaker prompt.

Frozen - 365 days
Refrigerated - 56 days

83497 - 5-HIAA 24 HR Urine (EAP 30020579)