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Laboratory Test Directory

Topiramate

Components

Name Method Department Units
Topiramate Quantitative Enzyme Immunoassay
Send Out ug/mL

Specimen Requirements

Plasma Spun, Serum Spun

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Purple tube (EDTA)

3 mL 1 mL
Alternate

Green tube (Lithium heparin), No Gel

3 mL 1 mL
Alternate

Green tube (Sodium heparin), No Gel

3 mL 1 mL
Stability

Refrigerated - 1 week(s)
Room temperature - 6 day(s)
Frozen - 1 month(s)

Specimen Preparation

  • Centrifuge within 2 hours, separate supernatant and refrigerate

Reasons for Rejection

  • Collected in tube with gel separator
  • Gross hemolysis

Comments

Specimen collection should be Pre-dose (trough) at a steady state concentration.

CPT Code

  • 80201