Notes
- Used to quantify substances in urine and to measure substances whose level of excretion varies over time.
- Ideally, collection should begin between 6:00 a.m. and 8:00 a.m.
- Keep specimen container refrigerated or on ice for entire collection period.
- Start time begins with collection and discard of first void.
- Instruct Pt to discard first void of day, and record date and time on collection container.
- Catheterized Pts: Time begins after bag and tubing have been replaced.
- Add each subsequent void to collection container.
- Instruct Pt to void at the same time the following morning and add it to collection container.
- Catheterized Pts: At 24 hours, empty remaining urine into collection container.
- This is the end of the 24-hour collection period.
- Record date and time, and send specimen to lab.