New Search

Laboratory Test Directory

TPMT Enzyme

Components

Name Method Department Units
TPMT Enzyme High performance liquid chromatography
Enzymatic assay
Send Out EU/mL

Battery Members

TMPT (thiopurine S-methyltransferase) enzyme activity, 6-methyl-thioguanine

Specimen Requirements

Whole blood

Container Type Container Size Specimen Volume
Preferred

Purple tube (EDTA)

6 mL 6 mL
Stability

Room temperature - 24 hour(s)
Refrigerated - 8 day(s)

Specimen Preparation

  • Mix by gentle inversion immediately after collection
  • Transport to laboratory as soon as possible

Reasons for Rejection

  • Wrong collection tube

CPT Code

  • 82657
  • 82542