Days Set Up
Daily, 24 hrs
Analytic Time
2 hours
MiChart Code
Valproic Acid Level, Free
Soft Order Code
FVALP
Test Updated:
Synonyms
Depakene
Depakene, Protein Free
FVALP
Free Depakene
Free Valproic Acid
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Test Overview
Test Methodology
Homogeneous Enzyme Immunoassay
Test Usage
Monitor therapeutic drug level, compliance, evaluate valproic acid toxicity
Reference Range
2-10 mcg/mL (approximately 10% of the total drug concentration); Toxic >15 mcg/mL.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Billing Information
CPT Code
80165
Pro Fee Code
LOINC
4087-3