Carter, who has been out of the lineup since suffering a concussion Feb. 18, likely will resume his usual role on the third line alongside Stephen Gionta and Steve Bernier when the Devils travel to First Niagara Center to face the Buffalo Sabres on Saturday.
Kreider has two points in 11 games this season.
This move could mean Rick Nash, who has missed the past four games with an undisclosed injury, could be ready to return to the lineup for Thursday's game against the Tampa Bay Lightning. At Thursday's morning skate, Nash said he would be a game-time decision.
Volpatti, 27, has recorded one goal and 28 penalty minutes in 16 games with Vancouver this season. The native of Revelstoke, British Columbia, ranked second on Vancouver in penalty minutes this season and has collected three goals, one assist and 81 penalty minutes in 54 career NHL games with the Canucks.
The 6-foot, 215-pound forward tallied 13 points (three goals, 10 assists) and 91 penalty minutes in 61 career AHL games with Manitoba. He spent four seasons playing for Brown University in the NCAA and was named to the ECAC All-Academic team his first three seasons before being named team captain for his senior season.
Volpatti was originally signed as an undrafted free agent by Vancouver on March 22, 2010.
Grubauer, called up early Wednesday to play in place of an ill Michal Neuvirth, replaced Braden Holtby in the second period of Wednesday's 4-1 loss to the Philadelphia Flyers, stopping all 14 shots he faced.
The Capitals also sent forward Casey Wellman to Hershey.
McGrattan was assigned to the Flames' American Hockey League affiliate in Abbotsford.
Malkin skated for 30 minutes and reported no symptoms, according to the Penguins. There is no timetable for his return.
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For our team, as a group, we've never been this far before, and so it's just more lessons learned, and sometimes you have to go to the school of hard knocks to find out what works and what doesn't. We've got a young group. They've played some unreal hockey here to get us this far, and we showed if we're not going to play the proper way, a really, really good hockey team is going to beat you, and that's what they did. It's a lesson learned.