Proinsulin, Serum (Referred Out) - Saskatoon
Discipline
Biochemistry
Overview
Description
Ordering recommendation
- Collect after a 12 hour fast
Test ordering requirements
Preferred Specimen Collection
- Refer patient to a Dynacare Laboratory Health Services Centre or Hospital Test Centre able to process specimens within required time frame
Specimen Information
Specimen types accepted
- Serum
Specimen collection container
- Preferred Collection Container: Gold (gel)
- Alternative Collection Container: Red (non-gel)
Collection procedure
- Specimen must be collected, processed, aliquoted and frozen within 60 minutes of collection
Required volume
- Optimal Volume: 4.5 mL Full collection tube
- Minimum Volume: 0.5 mL serum
(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)
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Performance
Days/times performed
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Maximum laboratory time
Results reporting
- 15 day turn around time by testing laboratory
Last Updated: March 19, 2026