ARUP's Laboratory Test Directory

Valproic Acid : 0090290

Mnemonic: VPA

Methodology: Fluorescence Polarization Immunoassay
Performed: Sun-Sat
Reported: Within 24 hours
Specimen Required: 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.

Stability (collection to initiation of testing): After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 4 months

Reference Interval:
Epilepsy: 50-100 µg/mL
Mania: 50-125 µg/mL
Toxic: 151 µg/mL or greater 
CPT Code(s): 80164
Cross References: Depakene (Valproic Acid)
 
 

 

 

 
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