Laboratory Test Detail

Last Updated: April 15, 2024 @ 9:13 am


Valproic Acid, Free and Total

  • One Red Top
  • 2 mL (Min:1 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling:
  • Separate from cells within 2 hours of collection
  • Patient Preparation: Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Rejection Criteria:
  • Light blue (citrate), gray (oxalate), green (heparin), K2EDTA plasma, tubes that contain liquid anticoagulant, or gel separator tubes.
Stability:Ambient: 1 Day(s); Refrigerated: 1 Week(s); Frozen: 1 Month(s); Incubated: Unacceptable
  • Quantitative Enzyme Multiplied Immunoassay Technique
Performed:Tuesday, Wednesday, Thursday, Friday, Saturday
Reported:2-5 Day(s)
CPT Codes:
  • 80164
  • 80165
Interpretive Data:Please see report for interpretive data.
  • 90235 - VAL ACID, FREE
  • 90236 - VAL ACID, TOTAL
  • 90237 - VAL ACID, %FREE
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