Italian media reported on Tuesday that Ibrahimovic suffers from overloading the left knee and expects to pause for at least ten days.
This fear confirmed Coach Stefano Pioli on Thursday and announced a downtime of another seven to ten days.
Thus, the 40-year-old Swede will safely miss the league game on Friday against CFC Genoa.
And also the cup game next Tuesday at Inter Milan comes too early for the Swedes.
Both Milan clubs meet in the semifinals, the first leg ended 0: 0.
Ibrahimovic has been plagued by injury again and again this season.
But in the league he comes to 19 games, he achieved eight goals.