Ansah was knocked out of Monday’s season-opening loss to the New York Jets. Ansah was hurt in the second quarter of the 48-17 shellacking and did not return.
“You know, it was his shoulder, so we got to go in there and take a look at it and see what’s going on,” head coach Matt Patricia said of the injury after the game, per the team’s official website.
During a conference call with the media on Tuesday, Patricia said he had nothing new to report on Ansah’s status.
Detroit and Ansah have a short week to get ready for Sunday’s matchup against the San Francisco 49ers. The Lions have lost their last 12 visits to San Francisco.
Ansah, who is playing under a $17.143 million franchise tag, registered a team-high 12 sacks last season and had one more Monday before he was hurt.
Detroit’s first-round pick (No. 5 overall) in the 2013 NFL Draft, Ansah missed the start of the preseason while recovering from offseason knee surgery.
The 6-foot-5, 275-pound Ansah also dealt with a high ankle sprain that hampered him throughout the 2016 season, when he posted just two sacks.