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Test Name:
Calcium, Urine, Random
- SBMF No:
23127 - Performance Lab Name:
Automated Lab - Test Mnemonic:
U CAR - ABN:
Not required - CPT Code:
82310 - LOINC Code:
17862-4 - Also See:
23427 Calcium, 24-Hour Urine - Spec Type:
Urine, random - Spec Container:
Plastic container with tightly fitting lid - Pref Vol:
10.0 mL - Min Vol:
1.0 mL - Fasting:
No - Spec Collect:
Routine random urine collection - Spec Store Transport:
Refrigerated - Spec Stability:
48 hours room temperature (20-30°C)
4 days refrigerated (2-8°C)
3 weeks frozen (-20°C) – Do not use frost-free units that undergo repeated freeze/thaw cycles - Spec Remarks:
Note: 24-hour urine is optimal specimen for testing - Methodology:
Photometric - Use:
Used in the diagnosis and treatment of parathyroid disease, a variety of bone diseases, chronic renal disease, and tetany (intermittent muscular contractions or spasms) - Clinical Significance:
The main significance in determining urinary calcium lies in the differentiation between hypercalciuria and hypocalciuria and the differential diagnosis of nephrolithiasis. - Reference Range:
Reference ranges not available - Day Run:
Sun-Sat (daily) - Time Run:
As received - Time Reported:
4 hours - Test Type:
URINE
