The Thunder released a statement Monday listing Harden as day-to-day, saying he would continue to undergo testing and be re-evaluated.
Part of the statement (from DailyThunder.com):
Harden participated in a series of limited activities per NBA guidelines, but has additional steps that must be taken under the league-mandated concussion policy before he make make his return to the court.
He will be re-evaluated (Tuesday) and is currently listed as day-to-day.
Harden is currently the front-runner for the NBA's Sixth Man of the Year Award, averaging 16.8 points 4.1 rebounds and 3.7 assists per game. The Thunder are 1 1/2 games behind the San Antonio Spurs for the top spot in the Western Conference with two games to play.