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Calcium, Urine, Random

Yellow Top Urine Tube

Container Type

Test ID   LAB371
Test Number   320
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)
Room temperature: 5 days
Refrigerator: 5 weeks
Frozen: 6 months
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 Karen Hrischuk on December 13, 2019

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