IONIZED CALCIUM, MEASURED

Test Code
LAB54


CPT Codes
82330

Instructions
2 mL plasma from 1 UNOPENED CENTRIFUGED GEL BARRIER TUBE Collect blood with minimal stasis. Centrifuge with stopper in place. Do not open. Sample must be kept anaerobic until testing is completed. Submit one tube for ionized calcium testing. This sample cannot be shared. If multiple lab tests are ordered, please submit the ionized calcium test request and unopened gel barrier tube on a separate requisition. Collect blood with minimal stasis.Centrifuge with stopper in place. Do not open. Sample must be kept anaerobic until testing is completed. Submit one tube for ionized calcium testing. This sample cannot be shared. If multiple lab tests are ordered, please submit the ionized calcium test request and unopened gel barrier tube on a separate requisition.


Methodology
Ion Specific Electrode (ISE)

Setup Schedule
Set Up:Monday through Friday Report Available:Daily (0700-1530)


Reference Range
IONIZED CALCIUM, MEASURED mg/dL <8 Months Not established
8 Months-10 Years 4.9-5.4 mg/dL 1
1-17 Years 4.8-5.3 mg/dL
Adult 4.8-5.6 mg/dL
Critical Value:
<3.2 mg/dL


Performing Laboratory
GBMC Chemistry



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.