Calcium, Urine, Random

Yellow Top Urine Tube

Specimen Type

Test ID LAB371
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 Christopher Parker on January 11, 2022

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

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