The team said he has been diagnosed with a sprain and bone bruise. He will be re-evaluated in two weeks.
Stuckey was injured during Tuesday's game against Phoenix and missed Wednesday's game at Boston. The Pacers host Washington on Friday.
He is one of the Pacers' top bench players, fifth on the team in scoring at 9.8 points per game and fourth in assists at 2.6. Stuckey also averages 3.4 rebounds.