Specimen Requirements

Container Type: 24-hour Urine Container, Dark Plastic. No Additives.
Specimen Type: 24-hour urine collection or note other timed interval
Preferred Volume: 10 mL
Emergency Minimum Volume: 1 mL
Patient Prep: Give patient 24 HOUR URINE COLLECTION Form # F21982 with instructions to document time and date of collection and to return it to lab with entire urine collection.
Collection Procedure: Collect a 24-hour urine in the provided 24-hour urine container. Refrigerate during collection.
Specimen Processing: Aliquot 10 mL of a well-mixed 24-hour urine collection into a leakproof plastic urine container. Record collection time and total volume. Store and transport refrigerated. Centrifuge aliquots before testing.
Required Patient Info: Collection time period in hours and total volume in mL.
Limitations: Results may be falsely elevated if specimen has cells or is hemolyzed as hemoglobin interferes with the test.

Stability: