Collect at least 3 mL of blood in a lavender-top tube (EDTA).
Specimen Preparation: Transport 3 mL of whole blood. (Minimum: 1 mL)
Storage/Transport Temperature: Refrigerated
Stability (collection to initiation of testing):
- Ambient: 72 hours
- Refrigerated: 1 week
- Frozen: Unacceptable
Detection of polymorphisms within the TPMT gene associated TPMT deficiency.
Within 10 business days
No allelic variants detected (*1/*1)
Monday - Friday
Analytical Interpretation: The report includes the patient's diplotype of TPMT genes and is reported using star alleles as follows: