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Valproic Acid

Test Code
VLP


Alias/See Also
Depakote, Depakene


CPT Codes
80164

Preferred Specimen
Serum (Red) Tube, spun and separated into transport tube. Collect within 30 minutes prior to next dose.


Minimum Volume
1 mL


Other Acceptable Specimens
Lithium Heparin Plasma Separator (Light Green) Tube
 


Transport Temperature
Refrigerated


Specimen Stability
​Room Temperature: 8 hours
Refrigerated: 48 hours
Frozen: 7 days


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolysis, Icterus, Lipemia


Reference Range
40.0 - 130.0 ug/mL


Performing Laboratory
This test is performed at the following locations:
  1. MercyOne Siouxland Medical Laboratory



Last Updated: October 27, 2023


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.