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VALPROIC ACID, SERUM

Synonym(s):
Lab Section Category
View write-up
Specimen Required

​3 mL plain blood

For periodic testing, draw blood sample just before next dose (trough level)

Method

​Immunoassay

Reference Interval / Value

​Therapeutic Range : From 0 day : 50 - 100 mg/L

Turnaround Time

​Mean = 4 hrs, Range: 3 – 5 hrs

Day(s) Test Set up

​Daily, 24 hrs STAT

Last Updated - 13 Jun 2025