Kupp caught five of seven targets for 61 yards in Sunday's 28-22 NFC divisional-round loss to the Eagles.
Kupp caught his lone target for 29 yards during the Rams' 27-9 wild-card victory over the Vikings.
Kupp will be held out of Sunday's game against the Seahawks, Adam Grosbard of The Orange County Register reports.
Kupp caught three of four targets for 24 yards in Sunday's 19-9 win over the Jets.
Kupp secured six of 10 targets for 106 yards and two touchdowns during Sunday's 28-22 victory against the Patriots.
Kupp (ankle) doesn't have an injury designation for Thursday's game against Minnesota, Adam Caplan of SiriusXM NFL Radio reports.
Kupp (ankle) was listed as a full participant on Monday's practice estimate, Jourdan Rodrigue of The Athletic reports.
Rams head coach Sean McVay said Monday that the workload Kupp (ankle) will handle during Thursday's game against the Vikings is ""to be determined," Stu Jackson of the Rams' official site reports.
Coach Sean McVay said after Sunday's 20-15 win over the Raiders that he expects Kupp (ankle) to play Thursday against the Vikings, Adam Grosbard of the Orange County Register reports.
Kupp (ankle) is listed as inactive Sunday versus the Raiders, Jourdan Rodrigue of The Athletic reports.