Barron had one block and one hit in Thursday's 6-3 loss to the Capitals.
Barron (upper body) is set to return to the Canadiens' lineup for Thursday's road game against the Capitals.
Barron (upper body) will join the Canadiens on their upcoming two-game road trip, which will begin Thursday in Washington, Montreal announced Wednesday.
Barron (upper body) won't play Tuesday against Seattle, per Marc Antoine Godin of La Presse.
Barron (upper body) isn't warming up with Montreal ahead of Sunday's game against the Flyers, Jonathan Bernier of The Montreal Journal reports.
Barron (upper body) won't play Saturday against the Blues.
Barron (upper body) won't participate in Wednesday's practice and is considered day-to-day.
Barron signed a two-year, $2.3 million contract with Montreal on Tuesday.
Barron was reassigned to AHL Laval on Wednesday.
Barron was called up from AHL Laval on Saturday.