Calcium, Plasma
Tests:Calcium, Plasma
Overview | |
|---|---|
| Department | Biochemistry |
| Test Code | PCCA |
| Synonyms | Ca
Ca2+ |
| Availability | Monday - Sunday, testing routinely available out of hours |
| Turnaround Time | 1 - 2 hours |
| Stability – Add test | 8 hours |
Specimen Requirements | |
| Specimen | Plasma
Serum |
| Preferred | 7 mL Red-Top |
| Acceptable | 5 mL Li-Hep Green-Top |
| Unacceptable | |
| Specimen Transportation | |
| Paediatric Requirements | 600 µL Li-Hep Microtainer |
Aliquot Requirements | |
| Sample | Plasma
Serum |
| Preferred Volume | 100 µL |
| Minimum Volume | |
| Aliquot Transportation | |
Clinical Information | |
| Reference Intervals | 2.2 - 2.6 mmol/L |
| Test Method | Abbott c8000 series analyser using Abbott reagents. |
| Advanced Notice | Not required |
| Patient Preparation | Not required |
Comments | |
| All Calcium requests will be reported with a corrected calcium value.
Corrected Calcium = Calcium + 0.012*(39.9 - Albumin) Prolonged stasis during venepuncture and haemolysis will give false high values For baseline level, patient should be fasted for 12 hours and seated for 20 minutes prior to specimen collection. | |
| Owner | Clair Crossley (Crossley1) |
|---|---|
| Last reviewed | 02.10.2025 |
| Next review | 02.10.2026 (Due soon) |