Coach Nick Saban said Monday that Cody sustained a sprained medial collateral ligament in his right knee in the second-ranked Crimson Tide's win over Mississippi.
Saban said Cody's injury is similar to one that sidelined offensive tackle Andre Smith for a game earlier this season. He is expected to miss this week's game at Tennessee and next week's game with Arkansas State.
The 365-pounder could be back in time for a game at No. 11 LSU.