8 hours
Test Updated:
CALU
CALU
CALCIUM URINE 24 HOURS
CALCIUM URINE RANDOM
CALQ
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Test Overview
Colorimetric (Arsenazo III)
Evaluation of calcium metabolism
Varies with diet: 100 - 300 mg/24 hours (2.50-7.50 mmol/24 hours). Random urine collections are reported in units of mg/dL, for which reference values are not established.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect 24 hour urine specimen with no preservative. Aliquot 5 mL into a plastic urine container and refrigerate. Record total 24 hour urine volume and collection dates/times on request form. Random urine also acceptable.