ESPN's Adam Schefter reports Keenan Allen (kidney) has undergone a "procedure," and is questionable for the remainder of 2015.
Keenan Allen is out indefinitely with a kidney injury.
The Chargers are calling Keenan Allen's Week 8 injury "back spasms."
Keenan Allen left Sunday's game with a shoulder injury late in the second quarter.
Keenan Allen secured 9-of-13 targets for 89 yards in the Chargers' Week 7 loss to the Raiders.
Keenan Allen is active for Week 7 against the Raiders.
Keenan Allen (questionable, hip) told reporters Friday that his hip flexor injury is no longer a concern.
Keenan Allen (hip, questionable) returned to Chargers practice on Friday.
The Union-Tribune San Diego reports there's "plenty of optimism" about Keenan Allen's (hip) Week 7 status.
Keenan Allen (hip) remained sidelined at Chargers practice Thursday.
Keenan Allen (hip) did not practice Wednesday.
NFL Network's Ian Rapoport reports Keenan Allen suffered a minor hip sprain in Sunday's loss to the Packers and "should be good to go" for Week 7.
Keenan Allen suffered a hip flexor injury Week 6 against the Packers.
Keenan Allen exited Week 6 against the Packers with a hip injury.