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Epic Code LAB10144 Thiopurine Methyltransferase (TPMT) Enzyme Level

Test Name Alias

Thiopurine Methyltransferase Enzyme Level | TPMT | 9114

Interface Order Alias

11092

Specimen Requirements

Specimen Type: Whole blood (EDTA)
Container/Tube: 6 mL Pink Top (EDTA)
Volume: 5 mL
Minimum volume: 2 mL
Collection Instructions: Send whole blood refrigerated

Specimen Transport Temperature

Refrigerate

Specimen Stability

Refrigerate: 8 days

Test Frequency

Sent to reference laboratory, TAT up to 7 days.

Reference Range

Normal TPMT Activity: >21.0 EU/mL

Intermediate TMPT Activity: 6.0-21.0 EU/mL

Low TMPT Activity: <6.0 EU/mL

Performing Department

REFERRAL SEND OUTS

Performing Department Laboratory Location

Send Out to Prometheus Ref. Lab

Methodology

High Pressure Liquid Chromatography (HPLC)

CPT

82657, 82542

CDM Code

80101427, 80101471

Epic Test ID

1230101212

LOINC

TPMT Enzyme: 53819-9

TPMT Comment: 59462-2

Beaker LOINC

Send Out test to Prometheus, LOINC Unavailable

Reviewed Date

6/9/2023

Beaker Names

Beaker Procedure Name: THIOPURINE METHYLTRANSFERASE (TPMT) ENZYME LEVEL
Beaker Display Name: Thiopurine Methyltransferase (TPMT) Enzyme Level
BEAKER TEST NAME: THIOPURINE METHYLTRANSFERASE ENZYME
BEAKER TEST REPORT NAME: Thiopurine Methyltransferase Enzyme

Beaker Synonyms

TPMT

Beaker Collection and Specimen Handling

BEAKER COLLECTION: +WB/R

Beaker Location, Container and Temperature

PROMETHEUS REFRIGERATE: 6 ML PINK EDTA R (Preferred)-Refrigerated