Beta Hydroxybutyrate, Plasma - Saskatoon
Discipline
Biochemistry
Overview
Alias
- Ketone
- Beta Ketone
- Beta Hydroxybutyric Acid
Specimen Information
Specimen types accepted
- Plasma
Specimen collection container
- Preferred collection container: Light Green (Lithium Heparin Gel) 4.5mL
- Alternate collection container: Dark Green (Lithium Heparin) 4.0mL
- Alternate collection container: Dark Green Microtainer (Lithium Heparin) 500µL
Required volume
- Optimal volume: 4.5 mL full collection tube
- Pediatric volume: 0.5 mL
- Minimum volume: 0.5 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
- Specimens are stable for 7 days when stored 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
- Enzymatic Method (Photometric)
Days/times performed
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Specimen retention time
- 3 days
Last Updated: February 18, 2026