TN HB1647

Criminalizes kratom possession as a Class D felony, and manufacturing, delivering, or selling kratom as a Class B felony (elevated to Class A felony if sold to a minor by an adult at least 2 years older)

Defines "kratom" broadly to include any part of the mitragyna speciosa plant containing mitragynine or 7-hydroxymitragynine, as well as extracts, synthetic derivatives, and chemically equivalent substances

Requires county medical examiners to test for kratom in suspected drug overdose deaths and physicians to include kratom testing when ordering toxicology for suspected overdoses or neonatal abstinence syndrome

Directs the Commissioner of Labor and Workforce Development to add kratom to the definition of "drug" for workplace drug testing purposes

Known as "Matthew Davenport's Law" with an effective date of July 1, 2026