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General
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Clinical Use:
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To measure the valproic acid level in the blood, so as to maintain a therapeutic range, and to detect toxic levels. |
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Availability:
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Samples are tested routinely during the testing laboratory's hours of operation. |
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Aliases/Synonyms:
| Epilim, Valproate, |
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Code:
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VAL |
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Handling Instructions (to laboratory):
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Send sample chilled. |
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Hyperlink:
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Reference Interval:
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Therapeutic range: 50 to 100
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Collection Requirements
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Container:
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Serum, no gel (RED), |
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Sample Type:
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See container |
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Minimum Collection Volume:
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Collection Instructions:
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PLEASE NOTE: SITES HAVE DIFFERENT CONTAINER REQUIREMENTS - PLEASE CHECK WITH RELEVANT TESTING LABORATORY BEFORE COLLECTION TO ENSURE CORRECT CONTAINER IS USED
Collect sample prior to dose as trough level. If patients are on two doses per day, samples should be taken pre morning or pre evening dose.
Record date, time and dosage of last dose on request form.
If sample will not reach laboratory within 24 hours of collection, it must be centrifuged and separated from gel. |
Processing Requirements
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Alternate Containers:
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Lithium Heparin, No Gel (DKGNLITH) |
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Lithium Heparin-PST (GREEN) |
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Processing Instructions:
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Minimum Assay Volume:
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100uL |
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Stability:
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24 hours chilled (unseparated); 7 days chilled (separated) |
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Transport Instructions (to testing laboratory):
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Send sample chilled. |
Testing Locations
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Performed at:
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Section
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Department
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Site
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Contact Phone
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| Core |
Biochemistry |
Fiona Stanley Hospital |
6152 8140 |
| Core |
Biochemistry |
QEII Medical Centre |
6383 4093 |
| Core |
Biochemistry |
Royal Perth Hospital |
9224 1176 |
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Last Updated : 24-06-2025 14:26 |