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Valproic Acid  Depakene Level

Test Code
VAL


Alias/See Also
Depakene Level
Depakote Level
 


CPT Codes
80164

Preferred Specimen
Dark green lithium heparin tube


Minimum Volume
fill tube 3.5 mL


Instructions
Specimens for valproic acid should be drawn just prior to dose, preferable in the fasting state.  Collect specimen in a dark green lithium heparin tube and refrigerate.


Specimen Stability
7 days capped at 4-8 oC
3 months capped at -20 oC


Methodology
Enzyme immunoassay

Setup Schedule
Every day


Reference Range
50-100 ug/mL


Performing Laboratory
Marietta Memorial Hospital laboratory
Selby General Hospital laboratory



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.