← Glossary
TraitHigh for TPMT activity, blood-count toxicity, and CPIC guidance

Thiopurine drug clearance

Thiopurine drug clearance is a genetic trait Biome reports in its medication response panel: Your TPMT result predicts how much active medicine can build up. Lower TPMT activity can raise the risk of dangerous low blood counts.

Category
Medication response
Markers
TPMT diplotype and predicted activity
Strength of evidence
High for TPMT activity, blood-count toxicity, and CPIC guidance
DNA-test coverage
Stronger with whole genome

Genes

How Biome reads this

Biome's whole-genome test reads this from one saliva sample, alongside all 3.2 billion letters of your DNA.

Biome DNA test

This page is for educational purposes only and is not medical advice. It is not intended to diagnose, treat, cure, or prevent any disease. Genetic results describe tendencies and predispositions, not diagnoses. Always consult a licensed clinician before making decisions about your health, medications, or supplements.