Valproic Acid
0090290
Ordering Recommendation
 
Mnemonic
VPA
Methodology
Fluorescence Polarization Immunoassay
Performed
Sun-Sat
Reported
Within 24 hours  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Plain red. Also acceptable: Green (sodium or lithium heparin).  
Specimen Preparation
Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
citrate, EDTA, or oxalate anticoagulants or separator tubes.  
Remarks
  
Stability
After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 3 months  
Reference Interval
Epilepsy: 50-100 µg/mL
Mania: 50-125 µg/mL
Toxic: 151 µg/mL or greater   
Interpretive Data
 
Note
 
CPT Code(s)
80164
Components
Component Test Code*Component Chart NameLOINC
0090290Valproic Acid4086-5
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Depakene
  • depakote
  • Free Valproic Acid
  • Valproate
  • Valproic Acid blood level
  • VPA, Valproate