Laboratory Question for the Week of March 6, 2023

Question:

What is the intent of new code 84433?

Answer:

This new code was established for enzyme activity testing of Thiopurine S-methyltransferase (TPMT) to aid in the identification of individuals at greater risk for hepatoxicity from increased thiopurine dosage.

This question was answered in our Coding Essentials for Laboratories. For more hot topics relating to laboratory services, please visit our store or call us at 1.800.252.1578, ext. 2.

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