Specimen Requirements

Container/Tube:

Preferred: 24-hour urine collection

Sample Volume:A minimum volume of 4.5 µL plus a dead volume from a 24-hour timed urine collection. No preservative.

 Refrigerate specimen during collection, and send specimen refrigerated.

Stability: Urine specimens are stable at 20-25 ⁰C for 1 day, 7 days at 4-8 ⁰C, or 1 month at -20 ⁰C.

Collection Instructions; Obtain 24-hour urine jug from laboratory

Note: 1. Urine should be collected before fluorescein is given or at least 24 hours after.

          2. Starting and ending times of collection are required for processing.

          3. When a 24-hour urine for protein is done, a PV (period and volume) must also

              be ordered and resulted. (FOR LAB USE ONLY).