Washington plans to sign Luvu to a three-year, $36 million contract, Adam Schefter of ESPN reports.
Luvu finished the regular season with 125 tackles (66 solo), 5.5 sacks and two fumbles forced in 17 games.
Luvu logged five total tackles (one solo) in Sunday's 26-0 loss to the Jaguars.
Luvu (quadriceps) is active ahead of Sunday's game against the Jaguars, Darin Gantt of the Panthers' official site reports.
Luvu (quadriceps) is listed as questionable for Sunday's game at Jacksonville.
Luvu (quadriceps) didn't participate in Thursday's practice, David Newton of ESPN.com reports.
Luvu (quadriceps) did not participate at practice Wednesday, Mike Kaye of The Charlotte Observer reports.
Luvu recorded 10 total tackles (six solo), including one tackle for loss and 1.0 sack, while also forcing a fumble in Sunday's 33-30 loss to the Packers.
Luvu logged seven tackles (three solo) and a pass selection during Carolina's 21-17 loss to Tampa Bay on Sunday.
Luvu recorded eight tackles (six solo) and two passes defensed in Sunday's 33-10 loss versus the Cowboys.