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Laboratory Test Directory

Acetaminophen

Components

Name Method Department Units
Acetaminophen Colorimetric, reflectometry
Core Lab, Chemistry, Routine ug/mL

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Green tube (Lithium heparin), No Gel

3 mL 3 mL
Alternate

Red tube, (no anticoagulant), No Gel

Micro sample tube 1 mL
Alternate

Green tube (Lithium heparin), No Gel

Micro sample tube 1 mL
Alternate

Green tube (Sodium heparin), No Gel

3 mL 3 mL
Alternate

Red tube, (no anticoagulant), No Gel

3 mL 3 mL
Stability

Refrigerated - 5 day(s)

Specimen Preparation

  • Mix by gentle inversion immediately after collection

Plasma Spun, Serum Spun

Container Type Container Size Specimen Volume
Preferred

Green tube (Lithium heparin), No Gel

3 mL 1 mL
Alternate

Green tube (Lithium heparin), No Gel

Micro sample tube 0.5 mL
Alternate

Green tube (Sodium heparin), No Gel

3 mL 1 mL
Alternate

Red tube, (no anticoagulant), No Gel

3 mL 1 mL
Alternate

Red tube, (no anticoagulant), No Gel

Micro sample tube 0.5 mL
Stability

Refrigerated - 7 day(s)
Frozen - 45 day(s)

Specimen Preparation

  • Mix by gentle inversion immediately after collection
  • Centrifuge, remove plasma/serum and refrigerate
  • Transport to laboratory as soon as possible

Reasons for Rejection

  • Collected in tube with gel separator
  • Frozen whole blood
  • Gross hemolysis
  • Gross icterus
  • Gross lipemia
  • Contamination
  • Wrong collection tube
  • Wrong type of specimen

Comments

Note exact time of collection.

CPT Code

  • 80307