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Green Bay Packers cornerback Davon House is scheduled to undergo more tests Friday to help determine the severity of the right shoulder injury he suffered against Atlanta.

House landed awkwardly on Julio Jones' knee after going up for an end-zone lob from Falcons quarterback Matt Ryan late in the fourth quarter of Monday night's 43-37 win. He's already been ruled out for Sunday's game against Buffalo.

Jones missed practice this week with a hip injury and is questionable to play against Pittsburgh.

When asked if he's fearful if the injury is season-ending, Packers coach Mike McCarthy said: "I wouldn't say 'fear.' That's why you're going to see the people that he needs to see. He's got to get more information. It's not your everyday injury. He feels better; he's got his range of motion and he's really responded very well the last couple days."

House, 25, missed the first six regular-season games in 2012 after suffering a left shoulder subluxation. He played the rest of the season with a harness before undergoing surgery in the offseason.

House said Wednesday his latest injury was nowhere near as painful as the 2012 episode, but he's still awaiting a full diagnosis after undergoing some tests earlier this week.

Although his role has been limited to roughly 45 percent of total defensive snaps, House has played well when called upon this season. An unrestricted free agent after the season, the former fourth-round pick has 28 tackles, 10 pass deflections and one interception in 13 games (four starts).

"To tell you the truth, I really don't know too much," House said. "I know that I'm out this week. I know that they said my shoulder's come a long way, which is good. Moving around, able to go swimming in the pool and stuff like that, which is good, so just really trying to build the strength back up."

Cornerbacks coach Joe Whitt felt House played well after relieving starting cornerback Sam Shields early in the fourth quarter. He had a pair of pass deflections intended for Jones during his 21 defensive snaps.

Shields struggled in his first game back from a concussion. He didn't practice until last Sunday, leaving him a bit rusty when he suited up Monday night. With House out of the lineup, the Packers believe Shields will rebound with a full week of preparation.

"Sam's had a good week of practice," McCarthy said. "I just think anytime specifically in game plans that you have a number of adjustments in, when you don't get the reps it's tough, I don't care what position you play. I think Sam's had a good week."

-whodkiew@pressgazettemedia.com and follow him on Twitter @WesHod.

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