The Frenchman stays in the hospital until Sunday to undergo a post-operative examination which will provide further information on how long he will be forced to stay out of action.
"I hope he can train with us again as soon as possible," Bayern coach Pep Guardiola said on Friday.
Ribery returned recently when he helped the Bavarians to seal a hammering 5-0 win over Frankfurt at the 19th round. The German giants sit atop the standings with 53 points and have a 13-point gap to runner-up Leverkusen.
Hip surgery rules out Franck Ribery from Bavarian derby against Nuremberg
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