Kempe (undisclosed) won't be in the lineup against Buffalo on Saturday, per Zach Dooley of the Kings' official site.
Kempe is day-to-day and will miss at least one game. He has earned three goals, eight points, 41 shots on net, 18 hits and three blocked shots in 12 appearances this season. With Kempe unavailable, Martin Chromiak will make his NHL debut against the Sabres on Saturday.