The league, teams and union are prohibited from publicly disclosing information about testing or treatment of any NBA player under the Anti-Drug Program, other than to announce a suspension or dismissal.
As a first-year player, Harris is eligible to apply for reinstatement in a year.
Harris averaged 7.4 points and 13.2 minutes in 13 games this season for Toronto on a two-way contract. Set to become a restricted free agent, he also played seven regular-season games and two playoff games for Raptors 905 in the G League.
Toronto drafted Harris with the 59th pick in 2020. He spent his first two college seasons at Louisiana Tech and averaged 21.7 points for Nevada in 2019-20.