Tarasenko required reconstructive surgery to repair his left shoulder, and he'll be reevaluated in training camp come September.
Tarasenko will require surgery to repair a dislocated shoulder suffered in Saturday's season finale, Jeremy Rutherford of The Athletic St. Louis reports.
Tarasenko left Saturday's game against the Avalanche with an injury in the first period and did not return for the second period, Jim Rutherford of The Athletic reports.
Tarasenko scored a goal on five shots and added an assist in a 4-3 loss to the Blackhawks on Wednesday.
Tarasenko scored his 29th goal of the season in Saturday's 2-1 win over the Blue Jackets.
Tarasenko recorded a goal, three shots and plus-1 rating through 17:38 of ice time (3:42 with the man advantage) during Friday's 4-1 win over Vancouver.
Tarasenko (upper body) said he's "good to go" for Friday's home game against the Canucks, Lou Korac of NHL.com reports.
Tarasenko (upper body) skated Thursday, and Blues coach Mike Yeo is "hopeful" that the star winger will be able to play against the Canucks on Friday.
Tarasenko (upper body) is considered doubtful for Wednesday's clash with the Bruins, Lou Korac of NHL.com reports.
Tarasenko (upper body) won't play against Chicago on Sunday.