Testing Laboratory
Auckland Te Toka Tumai | Auckland HospitalDepartment
Chemical Pathology
Delphic Registration Code (Alpha Code)
UCA
Test Code (Numeric Code)
0210
Laboratory Handling
Phlebotomy
1. 24 hr urine collected in a plain or thymol container is the recommended sample for adults. 2. A spot urine in a plain container (for calcium/creatinine ratio). Request calcium and creatinine.
Sample Stability
2 days at 15-25°C, 4 days at 2-8°C, 3 weeks at -20°C
Synonyms
Urine Calcium
Turnaround Time
3 hours
Specimen Type
- 24hr Urine
- Urine
Specimen Requirements
Tube/Container Type:
Preferred
- 24hr Urine Container
Acceptable
- BD Urine Tube (no additive)
No of Samples Required
1
Paediatric Specimen Requirements
Tube/Container Type:
Preferred
- BD Urine Tube (no additive)
Additional Specimen Information
1. Non acidified 24-hour urines for Calcium can be acidified post collection. The sample must be mixed well after the acid has been added and left for an hour before mixing again and aliquotting for sampling.
2. Urine specimens are stable without acidification for up to 72 hours from the start of the collection. Samples older than this must be acidified first. The sample must be mixed well after the acid has been added and left of an hour before mixing again and aliquotting for sampling.
Last updated: 23/07/2026