Inpatient and Outpatient Orderable

TPMT Genotyping (Thiopurine Toxicity)

Synonyms

LAB1297
TPMT GENETICS
TPMT GENOTYPING

Cerner Name

TPMT Genotyping

Clinical Info

Predicting potential for toxicity to thiopurine drugs

Specimen Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Container

Lavender Top Tube

Collection Instructions

Container/Tube: EDTA Lavender top tube
Specimen: 5 mL EDTA whole blood ( 3 mL min)
Transport Temperature: Room Temperature

Note: Patient Consent form Required for Testing

TPMT Genotype Consent Form required

Specimen Volume

5 mL EDTA whole blood (3 mL min)

Transport Instructions

Room Temperature

Specimen Stability

8 Days Room Temperature
8 Days Refrigerated
Unacceptable Frozen

Methodology

Polymerase chain reaction (PCR)

Days Performed

TAT: 6-7 Days

Performing Laboratory

Quest Diagnostics Nichol Institute
San Juan Capistrano, CA

CPT

81335
LOINC Code: 36922-3

PDM

5911094

Only Orderable at Locations:

Orderable Everywhere

Results

Component Name	Base Name	Common Name	External Name
TPMT GENOTYPING	TPMTGENOTYPE	TPMT GENOTYPING	TPMT Genotyping
TPMT INTERPRETATION	TPMTINT	TPMT INTERPRETATION	TPMT Interpretation
TPMT COMMENT	TPMTCOM	TPMT COMMENT	TPMT Comment
TPMT GENETICS TEST	TPMTGEN	TPMT GENETICS TEST	TPMT Genetics Test

Result Interpretation

See Report

Forms

LAB1297

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