Specimen Requirements

Container/Tube Type: 

24 hour urine collection jug

Collection Information: 

Collect an entire 24-hour urine. Refrigerate urine specimen during and after collection.

Specimens collected between 22-26 hours will be accepted as 24 hour specimens. Anything less than 22 hours or greater than 26 hours will be ordered as a "Random" specimen and should include a Period and Volume measurement.

Transport Information: 

Transfer from a well mixed 24 hour collection 20.0 mL of urine into a plastic transport vial or a clean, plastic aliquot container with no metal cap or glued insert. Aliquots must be labeled with the twenty-four hour volume. Also acceptable to submit entire 24 hour collection jug.

Minimum Sample Volume: 

20.0 mL of urine

Remarks: 

Patient Preparation: Avoid taking large doses (>2 g orally/24 hours) of vitamin C during specimen collection.