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24-hour Urine Calcium


TEST DIRECTORY
Test Name
24-hour Urine Calcium
Alternate Names
urine calcium, 24 hour
Test Code
CA24U
SPECIMEN REQUIREMENTS
Specimen Requirements
Minimum of 1.0 mL urine
Supplies for Submission
Urine Cup (1)
Specimen Collection
  1. During the collection period, refrigerate 24-hour urine and record the total volume.
  2. Mix urine and aliquot into sterile cup or container.
  3. Record the total volume on both container and requisition, and transport to the lab.
Storage Requirements
Refrigerated.
Specimens are stable if stored at room temperature for 2 days, refrigerated for 4 days, or frozen for 3 weeks.
GENERAL AND TECHNICAL INFORMATION
CPT Code
82340