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Laboratory Test Directory

Serum Drug Screen (Updated)

Components

Name Method Department Units
Serum/Blood Drug Screen Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Enzyme immunoassay (EIA)
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Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Red tube, (no anticoagulant), No Gel

6 mL 8 mL
Stability

Refrigerated - 12 hour(s)
Room temperature - 4 hour(s)

Specimen Preparation

  • Transport to laboratory as soon as possible

Serum Spun

Container Type Container Size Specimen Volume
Alternate

Red tube, (no anticoagulant), No Gel

6 mL 4 mL
Stability

Room temperature - 4 hour(s)
Refrigerated - 3 day(s)

Specimen Preparation

  • Centrifuge, remove plasma/serum and refrigerate
  • Transport to laboratory as soon as possible

Comments

Minimum volume spun serum does not allow for repeat testing. Whole blood is the preferred sample type. See the attached requisition for the complete list of drugs included in this screen.

CPT Code

  • 80307
  • 80377