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Laboratory Test Directory

Alanine Aminotransferase, Fluid (Updated)

Components

Name Method Department Units
ALT, Fluid Enzymatic, reflectometry
Core Lab, Chemistry, Routine U/L

Specimen Requirements

Fluids

Container Type Container Size Specimen Volume
Preferred

Green tube (Lithium heparin), No Gel

3 mL 3 mL
Alternate

Red tube, (no anticoagulant), No Gel

3 mL 3 mL
Stability

Room temperature - 4 hour(s)
Refrigerated - 24 hour(s)

Specimen Preparation

  • Centrifuge within 1 hour, separate supernatant and refrigerate

Reasons for Rejection

  • Gross hemolysis
  • Sample too viscous

Comments

Identify fluid type. Not all fluids can be assayed. Interpret results with caution. Reference ranges are not available. Blood in specimen may cause falsely elevated result.

CPT Code

  • 84460