Reeder practiced in full Friday but has been ruled out for Sunday's road divisional round matchup against the Eagles, Sarah Barshop of ESPN.com reports.
The Rams designated Reeder (hamstring) to return from injured reserve Thursday.
The Rams placed Reeder (hamstring) on injured reserve Thursday.
Reeder (hamstring) was listed as a DNP on Wednesday's injury report and has been ruled out ahead of Thursday's game against the Vikings, Adam Caplan of SiriusXM NFL Radio reports.
Head coach Sean McVay told reporters Monday that Reeder (toe) is expected to play Sunday against the Packers, Stu Jackson of the Rams' official site reports.
Reeder recorded 10 tackles (six solo) during Sunday's 27-24 win versus the 49ers.
Reeder recorded eight tackles (four solo) in Sunday's 41-10 loss to the Cardinals.
Reeder signed with the Rams on Thursday.
Reeder (knee) is listed as questionable ahead of Sunday's game against the Lions, Adam Grosbard of The Orange County Register reports.
Reeder, who suffered a knee injury in Sunday's win over the 49ers, is considered day-to-day, according to head coach Sean McVay, Jourdan Rodrigue of The Athletic reports.