Calcium, Ionized, Serum - Saskatoon
Discipline
Biochemistry
Specimen Information
Specimen types accepted
- Serum
Specimen collection container
- Preferred Collection Container: Blood – Gold (gel)
- Alternative Collection Container: Blood – Red (no gel)
Collection procedure
- Do not open the tube or split the specimen
- Do not expose specimen to air at any time during collection or transport process.
Required volume
- Optimal Volume: Full collection tube
- Minimum Volume: 2.0 mL
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
Transport and stability
- 4 hours at room temperature if vacutainer seal has not been broken
- Unstable after vacutainer seal has been broken
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Performance
Methodology
- Potentiometric assay
Days/times performed
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Maximum laboratory time
- In Hospital reported within 2 hours
- Community urgent and inter-hospital reported within 4 hours
Specimen retention time
- 3 days
Last Updated: October 8, 2024