The Kings said Ariza had the procedure Friday and would be re-evaluated after the preseason finale against Melbourne United on Wednesday.
In addition, forward-center Harry Giles is sidelined by a sore left knee and also is likely to miss the last two preseason games. He underwent an MRI on Sept. 30.
Sacramento signed forward Hollis Thompson, who averaged 16.6 points per game with the Phoenix Suns G League affiliate last season.
The Kings open the regular season Oct. 23 at Phoenix.