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Test Code UCALCMT Calcium, 24 Hour, Urine

Methodology

O-Cresolphthalien Complexone, Modified

Performing Laboratory

Aspen Valley Hospital

Specimen Requirements

Send entire 24-hour urine collection in a plastic urine container. Add 20 mL of 6N HCl as preservative at start of collection. Send specimen refrigerated.
Note:  1. Starting and ending times of collection are required on request form for processing.
2. Follow instructions in “Urine Collection” in “Special Instructions.”

Reference Values

42-353 mg/24 hours

Day(s) Test Set Up

Monday through Sunday

Test Classification and CPT Coding

81050 - urine timed measurement

82340 - calcium

Special Instructions