Valproic Acid, Plasma - Saskatoon
Discipline
Biochemistry
Overview
Description
Ordering recommendation
- For trough level tests, collect specimen immediately prior to the next dose
Alias
- Valproate
- Depakene
- Valparin
Specimen Information
Specimen types accepted
- Plasma
Specimen collection container
- Preferred collection container: Dark Green (Lithium Heparin no gel)
- Alternative collection container: Red (no gel)
Required volume
- Optimal volume: 6 mL Full collection tube
- 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
- 7 days at 2-8ºC
Rejection criteria
- Specimens received where the proper collection protocols were not followed
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Testing Information
Relevant clinical history
Relevant Recent Medication History
- Note on requisition the dosage, date and time when medication was given
Performance
Methodology
- Homogeneous enzyme immunoassay
Days/times performed
Availability |
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Testing site |
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Maximum laboratory time
Results reporting
- In hospital within 2 hours
- Community stats and inter-hospital within 4 hours
- Routine results within 24 hours
- Critical results > 1401 μmol/L will be phoned
Specimen retention time
- 3 days
Last Updated: September 30, 2024