Valproic Acid
Alternate Names
Depakote, Depakene, Valproate, Depacon, Stavzor, VPA
SoftLab Order Code
VALPR
Epic Order Name
VALPROIC ACID LEVEL
Epic Order ID
LAB24
Laboratory
Cary
Raleigh
Sample Type
Serum
Collection Container
RST (Orange top - Rapid Serum Tube)

Alternative Collection Container
SST (Gold Top Serum Separator tube)
Red/Black Speckle top (Serum tube)
Collecting Volume
1.0 mL
Minimum Collecting Volume
1.0 mL
Storage or Stability
Refrigerated 4 days
Causes for Rejection
Cells are not separated within 2 hours of collection.
Instructions
To obtain a serum valproic acid concentration that best represents the peak tissue level, draw the sample 1 to 3 hours after an oral does is given. Collect a trough sample just before the next scheduled dose.
CPT Codes
80164