Calcium, Ionized (LABCORP)

Test Code
99901000137


Alias/See Also
LAB54: Calcium, Ionized | LABCORP EAP: 004804


CPT Codes
82330x1

Preferred Specimen
LABCORP LAB: Serum Separator Tube (Refrigerated) Min Vol: 1


Other Acceptable Specimens
LABCORP LAB: YELLOW TOP: (Refrigerated) Min Vol: 1
LABCORP LAB: MICRO YELLOW: (Refrigerated) Min Vol: 1


Transport Temperature
Special Instructions: State on the request form if calcium infusion or pentagastrin injection tests are part of the patient preparation. Values obtained with different assay methods should not be used interchangeably in serial testing. It is recommended that only one assay method be used consistently to monitor each patient’s course of therapy. This procedure does not provide serial monitoring; it is intended for one-time use only. If serial monitoring is required, please use the serial monitoring number (480103) to order. Specimen: Serum, frozen Volume:1 mL Minimum Volume: 0.4 mL (Note: This volume does not allow for repeat testing.) Container: Red-top tube or gel-barrier tube Collection: Separate serum from cells. Transfer the serum into a LabCorp PP transpak frozen purple tube with screw cap (LabCorp N° 49482). Freeze immediately and maintain frozenuntil tested. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested. Storage Instructions: Freeze.


Report Available
LABCORP LAB
STAT: 5760 min
Routine: 5760 min
Extended TAT: No TAT min
Timed: 5760 min
Life or Death: 5760 min



Last Updated: March 6, 2023


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.