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Vanderbilt Pathology Laboratory Services

Test Directory



IONIZED CALCIUM (CAI)

Department: Core Lab
Test Synonym(s): Calcium, ionized, CAI
CPT Codes: 82330
Reference Range: 4.48 - 5.28 mg/dL
Tube Type: Heparinized syringe
Specimen: Heparinized blood
Alternate Specimen: Dark green top (Sodium Heparin)
Pediatric Requirements: 1 mL
Volume: 5 mL
Temperature: Refrigerated
Reasons for Rejection: Clotted sample
Special Instructions: Lab needs heparinized syringe or full green top tube
No air spaces. Send on ice.
Must be in lab by 2hr after draw.



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