Calcium, Urine, Random

Specimen Type

Test ID		LAB371
EPIC ORDER		CALCIUM, URINE, RANDOM
CPT Code(s)		82340
Group/Individual Test		Individual
Laboratory		Core Laboratory
Tube Station		Routine 30; STAT 888
Specimen	Routine:	10 mL random urine in Yellow Top Urine Tube (No Preservative/Additive). 10 ml random urine in Sterile Specimen Cup acceptable if refrigerated. Gray top and tiger top urine preservative tubes are not acceptable for urine calcium.
	Micro:	1 mL random urine in Yellow Top Urine Tube (No Preservative/Additive)
Stability	Room Temperature:	<2 hours
	Refrigerated:	4 days
	Frozen:	30 days
Availability		24 hrs/day
Turnaround Time		Stat: 1 hr; Routine: 2 hrs
Reference Range	Normal:	Undefined; varies with diet
Comments	Other clinical data should be taken into consideration when interpreting these results.

Reviewed by J. Carr on January 02, 2026

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514