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Test Code IOCA Calcium, Ionized

Important Note

If greater than 30 minutes keep on ice until analyzed, but not to exceed 2 hours

Performing Laboratory

Memorial Hospital Laboratory- Automated Procedures  304-388-5953       
General Hospital Laboratory 304-388-6244
Women and Children's Hospital Laboratory 304-388-2385
Teays Valley Hospital Laboratory 304-757-1770
Plateau Medical Center Laboratory 304-469-8621
Greenbrier Valley Laboratory 304-647-6060

Specimen Requirements

Whole Blood-Heparinzed Syringe or Green Top (Lithium Heparin-No Gel)

4 mL whole blood (minimum 2 mL)  

Keep specimen anaerobic (do not uncap tube)

Send specimen in an ice water slurry

Specimen Rejection

  • Improperly labeled, collected, stored, and transported
  • Quantity not sufficient
  • Clotted

Storage and Stability

Room Temperature        30 minutes
Ice Slurry Up to 2 hours         

Reference Values

1.12-1.32 mmol/L

Methodology

Ion-Selective Electrode

Days Test Set Up and Turnaround

Monday through Sunday, Continuously

Results expected within 1 hour

CPT Coding

82330