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Calcium, Serum
Test CodeCA
Alias/See Also
CA
CPT Codes
82310
Preferred Specimen
0.6 ml of whole blood (0.3 mL of serum/plasma)
Minimum Volume
0.2 mL of whole blood (0.1 mL of serum/plasma)
Transport Container
Serum separator (gold top) or for inpatients/MSTI/ED only lithium heparin (green or mint top)
Transport Temperature
Refrigerated
Specimen Stability
Room Temperature: 4 hours
Refrigerated: 22 days
Frozen: 1 year at -18 C
Refrigerated: 22 days
Frozen: 1 year at -18 C
Methodology
Colorimetric
Setup Schedule
Daily
Report Available
Inpatient turn around time: Routine 3 hours, stat 30 minutes. Outpatient specimens received by noon will be reported by 4:30 p.m. Specimens received after noon will be reported by the next morning.
