The Hawks announced during the first intermission that Toews suffered an upper-body injury and would not return to the game. He missed the final 6:47 of the period.
Toews has 15 goals and 18 assists and is second on the team with 33 points.
The team didn't update Toews' condition after the game. Coach Joel Quenneville said more information on the injury would be available Wednesday.
Jesse Rogers covers the Blackhawks for ESPNChicago.com.