TPMT Enzyme Activity

Test Code
TPMT


CPT Codes
82657, 82542

Preferred Specimen
5 mL EDTA


Minimum Volume
3 mL


Transport Container
Lavender


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Grossly hemolyzed
Grossly lipemic
Clotted 


Performing Laboratory
Prometheus Labs
9410 Carroll Park Dr.
San Diego, CA 92121


Last Updated: October 26, 2022


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.