Rod Thorn, the NBA's president of basketball operations, released the news on nba.com.
Randolph struck the Thunder center in the jaw after he had elbowed Adams in the torso during a play with 6 minutes 42 seconds left in the fourth quarter of Game 6 on Thursday night.
Oklahoma City was well on its way to winning the game, 104-84, in Memphis to force a deciding Game 7 on Saturday night.
Randolph has been leading the Grizzlies with 18.2 points a game during the series against Oklahoma City. He made seven of 14 shots and finished Game 6 with 16 points, eight rebounds and one assist.
The 6-foot-9, 12-year veteran from Michigan State averaged 17.2 points. 10.1 rebounds and 2.5 assists a game this season.