Test Code VALPR Valproic Acid
Additional Codes
Epic: LAB24
Specimen Required
Specimen Type: Serum
Collection Container/Type
Preferred: Serum gold
Acceptable: Red top
Submission Container/Tube: Plastic vial
Specimen Volume: 3 mL
Collection Instructions:
- Collect a trough specimen, immediately before next dose.
-
Centrifuge and separate cells after clot formation and within 1 hour of collection.
Specimen Minimum Volume
0.5 mL
Specimen Stability
Room temperature: 2 days
Refrigerated: 7 days
Frozen: 3 months
Reference Range
Therapeutic: 50.0 - 100.0 µg/mL
Rejection Due To
Unlabeled, mislabeled, wrong tube type, QNS, grossly hemolyzed.
Report Available
Same day
Clinical Significance
Valproic Acid is a broad-spectrum anticonvulsant drug used solely or in combination with other anticonvulsant drugs for the treatment of absence seizures. It also has demonstrated effectiveness in the management of generalized tonic-clonic and myoclonic seizures, as well as atypical absence, simple and complex partial and mixed grand mal and petit mal seizures. The capability of treating many types of seizures with a single anticonvulsant has resulted in the wide-spread use of valproic acid, particularly in children in whom tonic-clonic and myoclonic seizures are most prevalent. Valproic acid has proven effective in the treatment of many patients otherwise refractory to other anticonvulsant treatments. Most patients receiving valproic acid do not develop a tolerance to its anticonvulsant effects.
Method Name
Chemiluminescent Microparticle Immunoassay (CMIA).
Aliases
Depakene
Depakote
Divalproex
Valproate
Dipropylacetic Acid
Day(s) Performed
Daily
LOINC
4086-5