New Search

Laboratory Test Directory

Phenobarbital

Components

Name Method Department Units
Phenobarbital Chemiluminescent Microparticle Immunoassay (CMIA)
Core Lab, Endocrinology ug/mL

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Green tube (Lithium heparin), No Gel

3 mL 2 mL
Alternate

Red tube, (no anticoagulant), No Gel

3 mL 2 mL
Alternate

Green tube (Lithium heparin), No Gel

Micro sample tube 1 mL
Alternate

Red tube, (no anticoagulant), No Gel

Micro sample tube 1 mL
Stability

Room temperature - 2 day(s)
Refrigerated - 2 day(s)

Specimen Preparation

  • Keep at room temperature or refrigerate
  • Mix heparin tube by gentle inversion immediately after collection
  • Transport to laboratory as soon as possible

Plasma Spun, Serum Spun

Container Type Container Size Specimen Volume
Preferred

Green tube (Lithium heparin), No Gel

3 mL 1 mL
Alternate

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Green tube (Lithium heparin), No Gel

Micro sample tube 1 mL
Alternate

Red tube, (no anticoagulant), No Gel

Micro sample tube 1 mL
Stability

Room temperature - 2 day(s)
Refrigerated - 8 day(s)
Frozen - 6 month(s)

Specimen Preparation

  • Centrifuge, remove plasma/serum and refrigerate

Reasons for Rejection

  • Collected in tube with gel separator
  • Gross hemolysis
  • Heat treated specimen
  • Contamination
  • Frozen whole blood

CPT Code

  • 80184