Osmolality, Urine - Saskatoon
Discipline
Biochemistry
Overview
Alias
- Osmo
Specimen Information
Specimen types accepted
- Urine
Specimen collection container
- Preferred collection container: Graduated conical bottom tube with cap
Required volume
- Optimal volume: 2 mL
- Minimum volume: 1 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 on cells
- 5 days at 2 – 8°C
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Performance
Methodology
- Freezing point osmometry
Days/times performed
Availability |
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Testing site |
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Maximum laboratory time
Results reporting
- In Hospital reported within 2 hours
- Community urgent and inter-hospital reported within 4 hours
- Community routine reported within 24 hours
Specimen retention time
- 3 days
Last Updated: October 9, 2024