Calcium, Serum

Mint Green Plasma Separator Tube

Tube Type

Test ID LAB53
CPT Code(s) 82310
Group/Individual Test Individual
Laboratory Core Laboratory
Tube Station Routine 30; STAT 888
Specimen Routine: 1 mL blood/Li Heparin plasma separator tube / Also acceptable serum (Gold SST / Red Top Tube)
Micro: 200 µL blood/mint green top bullet/gold top/red top
Unspun: ≤6 hrs
Room Temp:
≤8 hours
≤2 days
Frozen: 6 months
Availability 24 hrs/day
Turnaround Time STAT 1hr; Routine 2hrs
Reference Range Normal:
Age Range mg/dL
0 - 7 days 7.4-11.4
>7 days 8.7-10.4

Critical: <6 mg/dL or >12 mg/dL
Comments Reference ranges effective 7/13/2021

Reviewed by Christopher Parker on December 04, 2021

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