Ionised Calcium, Blood

Overview
Department	Biochemistry
Test Code	TICA
Synonyms	ICA
Availability	Monday - Sunday, testing routinely available out of hours
Turnaround Time	30min – 1hr
Stability – Add test	Not available
Specimen Requirements
Specimen	Whole blood Serum
Preferred	0.5 mL in heparinised blood gas syringe, mix blood well
Acceptable	Plain Red-Top tube (Serum)
Unacceptable	Clotted blood gas syringe samples Samples with needle attached Li-Heparin green top tubes Samples older than specified time
Specimen Transportation	Gas syringe must arrive in lab within 30 minutes of collection Red top samples must arrive in lab within 45 minutes of collection
Paediatric Requirements	0.1 mL in blood gas capillary tube.
Aliquot Requirements
Sample
Preferred Volume
Minimum Volume
Aliquot Transportation
Clinical Information
Reference Intervals	Reference range: 1.13 - 1.26 mmol/L
Test Method	Direct Ion Specific Electrode on Radiometer Blood gas analyser
Advanced Notice
Patient Preparation	Not required
Comments