Alberta Precision Laboratories

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Organization:

Alberta Precision Laboratories

Message Alert:

PLEASE NOTE: This Test Directory is in an interim state and due to changes pertaining to the DynaLIFE transition, performing site for routing has not been updated. Please refer to Laboratory Information System for appropriate routing.

Test Name/Synonym:

Valproate Level (Synonym: Depakene, Depakote, Divalproex, Valproic Acid)

Ordering Alert:

Record time of last dose on requisition or in electronic ordering system

Collection Alert:

Collect within 1 hour before dose or greater than 12 hours after last dose.

Best practice is to not draw from an intravenous line through which the drug has been administered as it can produce erroneous results and impact patient care. If best practice is not possible, prior consultation with the most responsible health practitioner is required.

LABID (Connect Care):

LAB24

Primary Container:

MINT LIHEP PST

Alternate Containers:

GOLD SST

Minimum Collection Volume:

Calgary Zone: 0.2 mL plasma or serum
Other Zones: 0.5 mL plasma or serum

Test Resources:

General Laboratory Requisition – 21302

Half-life and Time to Steady State

Calgary Zone: Microcollection Minimum Whole Blood Volumes

Calgary Zone: Critical Values

Stability and Storage:

Room temperature: Up to 48 hours
Refrigerated temperature: 48 hours or greater.

Processing:

Centrifuge.

Central Zone: Aliquot serum or plasma.

Transportation:

Central Zone:
If specimen will arrive at performing location within 48 hours of collection, transport at ambient temperature.
If specimen will not arrive at performing location within 48 hours, transport at refrigerated temperature.

Reference Interval:

350 – 700 umol/L

Critical Value:

Greater than 1040 umol/L

Appended to high or critical results:
If needed, consult Poison and Drug Information Service (PADIS) at 1-800-332-1414 for the clinical management of possible drug toxicity.

Testing Area:

Biochemistry

Performing Site:

Calgary Zone	Foothills Medical Centre
Central Zone	Red Deer Regional Hospital Centre
Edmonton Zone	Royal Alexandra Hospital University of Alberta Hospital
North Zone	Grande Prairie Regional Hospital
South Zone	Chinook Regional Hospital, Lethbridge Medicine Hat Regional Hospital

Additional Test Information:

Steady state: 2-3 days

Last Updated On:

Tuesday, May 7, 2024