THIOPURINE METHYLTRANSFERASE (TPMT), ERYTHROCYTES
Marquette General Health System
Alpha Code |
  | TPMT |
MGH LIS Test No |
  | 9194 |
Schedule |
  | Monday, Wednesday, Friday |
Testing Time |
  | 2 days |
Testing Lab |
  | Mayo Labs |
QORR Test Code |
  | TPMT |
Type |
  |   |
Volume |
  |   |
Temperature |
  | Refrigerate |
Preservative |
  |   |
Collection Info |
  | Draw blood in green-top (heparin) tube(s), and send 5.0 mL of heparinized whole blood refrigerated. (Keep specimen cool with frozen coolant April-October. Protect specimen from freezing by placing it in a bubble-pack bag [Supply T055] supplied by Mayo Medical Laboratories. Use refrigerated coolant November-March). NOTE: SPECIMEN MUST ARRIVE AT MML WITHIN 72 HOURS OF COLLECTION. |
Clinical Utilities CPT Codes Reference Range
83789
15.1-26.4 U/mL RBC (normal)
6.3-15.0 U/mL RBC (heterozygous for low TPMT)
<6.3 U/mL RBC (homozygous for low TPMT)
Component Information
Additional Comments Questions or Comments email support@mgh.org
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