Moen announced his retirement from the NHL on Tuesday, Marc Antoine Godin of Montreal's La Presse reports.
Moen (wrist) has yet to receive a contract offer from an NHL club.
The injury that Moen sustained in Game 5 against the Blues has been specified as a broken wrist.
Moen (undisclosed) will not be able to rejoin Dallas for the remainder of the playoffs, Mark Stepneski of NHL.com reports.
Moen will be out of the lineup for Monday's Game 6 against the Blues with an undisclosed injury, Mike Heika of the Dallas Morning News reports.
Moen (lower body) is no longer listed on the IR, per the NHL's official media site.
Moen (lower body) will likely miss Tuesday's contest against Winnipeg, Stars play-by-play announcer Dave Strader reports.
Moen (lower body) may return to the lineup for Tuesday's game against the Jets. If not then, he would slot back in Thursday versus the Islanders.
Moen (lower body) was placed on injured reserve Saturday.
Coach Lindy Ruff said Friday that Moen (lower body) could be out "for a little while," reports Mike Heika of the Dallas Morning News.