Ordering Recommendation

Optimize drug therapy and monitor patient adherence.

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.

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



Compliance Category

FDA

Note

Hotline History

N/A

CPT Codes

80164

Components

Component Test Code* Component Chart Name LOINC
0090290 Valproic Acid 4086-5
* 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
  • Valproate
  • Valproic Acid blood level
  • VPA, Valproate
Valproic Acid