Homogeneous Enzyme Immunoassay
Monitor therapeutic drug level, compliance, evaluate valproic acid toxicity
5 - 25 mcg/mL (approximately 10% of the total drug concentration); Toxic >30 mcg/mL.
Use of heparinized blood tubes is not allowed (may lead to artificially high free valproic acid level).
- Depakene, Protein Free
- Free Depakene
- Free Valproic Acid
Collect blood in a red top tube. Centrifuge, aliquot serum into a plastic vial, and refrigerate.