"Chris Lynn injured his left shoulder in the second innings of our last match on April 9. This aggravated an old injury, KKR medical team will need a few days to properly establish his fitness and availability for the rest of the tournament," KKR said in a statement.
Lynn hurt his shoulder while fielding against Mumbai Indians on Sunday.
He showed top form in the two innings he played, scoring an unbeaten 93 and 32 respectively.