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| Title | CALCIUM, 24 HOUR URINE |
| Specimen Requirement | <p>20 mL of 24 hour urine in sterile screw-cap container.</p>
<p>Indicate 24hr volume on container and lab order.</p> |
| Methodology | |
| Stability | Refrigerated 7 days |
| Reference Range | By Report* |
| Turnaround | 24 hours |
| Clinical Use | <p>Urinary calcium excretion is increased in hyperparathyroidism, vitamin D intoxication, diseases that destroy bone (multiple myeloma, metastasis from prostate cancer) and following calcium supplementation. Thiazide drugs may reduce calcium excretion</p> |
| Test Code | 24CAM |
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