Updated

Uniondale, NY (SportsNetwork.com) - New York Islanders forward Michael Grabner is out indefinitely with a concussion.

Grabner suffered the injury in the second period of the Islanders' 7-4 win against the Vancouver Canucks on Monday when he collided with Canucks defenseman Christopher Tanev.

In 63 games this season, Grabner has 12 goals and 13 assists.