Calcium, Ionized, Blood - Saskatoon
Discipline
Biochemistry
Overview
Alias
- iCa
- Ca++
Specimen Information
Specimen types accepted
- Whole blood
Specimen collection container
- Preferred Collection Container: Blood – syringe (calcium and electrolyte balanced)
Collection procedure
- Blood can be collected from an artery or vein
- Air bubbles must be avoided or removed
- To avoid clotting sample contents in the syringe must be mixed
Required volume
- Optimal Volume: 1.0 mL
- Minimum Volume: 0.5 mL
- Pediatric Volume
Transport and stability
- 2 hours - Delayed analysis increases the risk that test results no longer represent patient status
Rejection criteria
- Samples with a volume less than 0.5 mL
- Samples that are received greater than 30 minutes post collection
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Performance
Methodology
- Amperometric assay
Days/times performed
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Maximum laboratory time
- Results reported within 15 minutes
Specimen retention time
- Specimens are discarded immediately after testing
Last Updated: October 8, 2024