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306: Calcium, Ionized Print View
Calcium, Ionized ISE  < 8 months: Call Client Services
< 11 years: 4.9 - 5.4
< 18 years: 4.8 - 5.3
>= 18 years: 4.8 - 5.6 
mg/dL 

PRIMARY
1 Serum Separator Tube 2 (0.6) mL   Refrigerated - 7 Day(s)/Room Temperature - 7 Day(s)  
ALTERNATE

Ionized calcium represents the true "bioavailable" calcium in the circulation. In situations where the total calcium is normal but does not fit the clinical picture, e.g., hyperparathyroidism, a determination of the ionized calcium will, many times, show an elevation in the "bioavailable" calcium component. This may be due to alterations in protein concentrations, especially albumin, that binds most of the calcium in the circulation.

Let clot and spin immediately with the cap on. Do not open tube.
Ship the unopened gel barrier tube at room temperature. If
submitting with any other assay, please submit a separate tube
for this test.
Setup Schedule
Tuesday-Saturday

Reported (Analytical Time)
Same day

CPT Code
82330

The CPT codes provided 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 payer being billed.

Notes
Reject Criteria: Received frozen; gross hemolyis; grossly lipemic; Red-top tube(no gel)






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For test information, please call Client Services at 800-421-4449.

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