Lehtera (concussion) is slated to return to the Blues' lineup Tuesday against the Coyotes, NHL.com's Lou Korac reports.Lehtera, who missed the past six games with concussion symptoms, checks back into the Blues' lineup with nine goals and 30 points in 46 games to date. Per the report, look for him to skate on a line with Dmitrij Jaskin and Patrik Berglund on Tuesday.