Test Information:
Determination of Phosphorus in 24 Hour Urine specimen aids in evaluation of patients with nephrolithiasis.
Specimen Container:
24 Hour Urine Container (with Preservative)
Specimen Type:
24 Hour Urine
Required Volume:
10mL
Patient Preparation:
• At the start of the collection, empty your bladder and discard the first urine.
• Collect all urine passed over the next 24 hours.
• Record the start and end date and time of the collection.
• Keep the urine container refrigerated or stored in an ice chest throughout the collection period.
Notes:
- Collect urine specimen with 10 mL distilled water and 10 mL hydrochloric acid as preservative (20 mL of 6 mol/L HCl).
- For aliquoted sample, please indicate total volume in mL and specific gravity, date and time of start and end of collection.
- For females, urine can be collected in a separate clean container and then carefully poured into the 24‑hour urine collection container.
Storage & Stability
(Before Processing)
- Storage: 2 to 8˚C
Stability: 3 days - Storage: 15 to 25˚C
Stability: 3 days - Storage: -15 to -25 ˚C
Stability: 1 year
Transport Temperature:
Ref (2˚C – 8˚C)
Test Category:
Routine
Test Schedule:
Daily
Results Availability:
Within 4 Hours