Ionised Calcium, Blood
Tests: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:
0 - 1 year: 1.15 - 1.45 mmol/L > 1 year: 1.15 - 1.30 mmol/L |
| Test Method | Direct Ion Specific Electrode on Radiometer Blood gas analyser |
| Advanced Notice | |
| Patient Preparation | Not required |
Comments | |
| Owner | Clair Crossley (Crossley1) |
|---|---|
| Last reviewed | 22.01.2026 |
| Next review | 22.01.2027 (OK) |