Test Name

CALCIUM, 24 HR URINE

Aliases

-

Abbreviations

-

Test Classification

GROUPED TEST

Department

SPECIAL CHEMISTRY

Sub Department

-

TAT Category

BUSINESS (WORKING) TIME

Estimated TAT

96

TAT Units

HOURS

Test Requirements

TOTAL 24 hour urine volume (mL) required; add 10-30ml 6M HCl to the 24 hour urine container; explain collection instructions [refer to relevant phlebotomy aid (Phleb/Aid7) or lab handbook section on 24 hour urine collection or https://www.youtube.com/watch?v=HjF-9n0FOrw video]. SHIPPING/ TRANSPORTATION REQUIREMENTS Shipping Temperature: Refrigerated ANALYTE STABILITY Room Temperature: 2 DAYS at 20-25°C │ Refrigerated: 4 DAYS at 2-8°C │ Frozen: 1 MONTHS at -20°C

Clinical Utility

Evaluation of hypercalcemia and hypocalcemia.

Last Review

26th Feb 2026