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Centralized Core Laboratory - Mayo Clinic Laboratories : Send Out

Test ID :
Test Workstation :
Specimen Type:
Tube Type:
Red top (no anticoagulant) tube
Collection Volume:
1.5 mL (minimum 1.0 mL)
Cause for Rejection:
Gross hemolysis
Sent to Reference Laboratory
Primidone: Immunoassay Phenobarbital: Kinetic Interaction of Microparticles in a Solution (KIMS)
1 day
Additional Info:
Phenobarbital (metabolite) determination is performed also for proper interpretation.
  • Reference Values:
  • Therapeutic: 5.0-12.0 mcg/mL
  • Critical value: > or = 15.0 mcg/mL
  • Therapeutic: 10.0-40.0 mcg/mL
  • Critical value: > or = 60.0 mcg/mL
  • CPT Code:
    80184, 80188
    Panel Includes:
    Primidone Phenobarbital
    Barbita, Luminal, Mysoline, Solfoton

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