Specimen Requirements

Container Type: 24-hour Urine Container, Dark Plastic. Add 5 mL 6N HCl.
Specimen Type: 24-hour urine collection
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. Adjust pH to between 3.0-4.0 with 6N HCl. Centrifuge aliquots before testing.
Required Patient Info: Collection time period in hours and total volume in mL.
Unacceptable Condition: Specimens contaminated with fecal material
Alternate Specimens: For timed urine samples, add 1 mL 6N HCL per 100 mL urine at end of collection as soon as possible. Adjust pH to 3.0-4.0 using 6N HCL, mix well and let stand a few minutes before analysis. Centrifuge if precipitates form.

Stability: