Test Information:
This test measures urinary calcium which reflects dietary intake and rate of calcium absorption collected for 24 hours. It is used to evaluate endocrine function, calcium metabolism and excretion, and acid–base balance. To guide therapy in patients with renal failure, renal transplant, endocrine disorders, malignancies, cardiac disease, and skeletal disorders. And to monitor treatment in calcium deficiency.
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: 4 days - Storage: 20 to 25˚C
Stability: 2 days - Storage: -20˚C
Stability: 3 weeks
Transport Temperature:
Ref (2˚C – 8˚C)
Test Category:
Routine
Test Schedule:
Daily
Results Availability:
Within 4 Hours