Valproic Acid


Test ID/Workstation: VALPA MACH1

Specimen Type: Blood

Tube Type: Red top ( no anticoagulant ) or green top ( lithium heparin ) tube

Collection Volume: 0.4 mL ( minimum 0.2 mL)

Cause for rejection: Hemolysis

Storage: Refrigerated

Availability: Daily, 24 hours; STAT

Methodology: Fluorescence Polarization

Special Instructions: For therapeutic monitoring, draw peak levels 1 hour post-oral dose of syrup or 3 hours post-oral dose of capsule or tablet and trough levels immediately prior to next dose. Please indicate whether the specimen is a peak, trough, or random level.


Lab/Phone: 330-746-9623

TAT: 1 hour

Additional Info: Reference range: therapeutic range: 50-100 ug/mL

CPT Code: 80164

Synonyms: Depakane

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