As a result of the injury, Neuer will miss Bayern's remaining Champions League group stage games, including their key away match at Paris Saint-Germain on September 27.
Goalkeeper Manuel Neuer and uncapped striker Nils Petersen on Tuesday made it to Germany's 27-member provisional football squad for the 2018 FIFA World Cup, whereas attacking midfielder Mario Goetze and striker Sandro Wagner were excluded by head coach Joachim Löew.
But there is a notable absentee with World Cup final goal scorer Mario Gotze missing out. He's now taking a full part in training in Munich.
He said, "We want to see for ourselves if Manuel Neuer is fit, we have a chance to see and assess him".
"These days, I feel a great desire for the upcoming World Cup in Russian Federation and the intense weeks with the team". "We saw that we're not as good as we're always told we are - and perhaps some of us think we are".More news: Hedge fund owner expected to purchase Panthers
But coach Juan Carlos Osorio said the former FC Barcelona player, who recently retired from Guadalajara club Atlas, would bring invaluable leadership.
Marco Reus was also selected, but Borussia Dortmund teammate Goetze was left out. However, he missed out on playing in the 2014 World Cup due to an injury-hit season.
"It wasn't his best season". "He did not show what his qualities are".
"Marco is a special weapon, he has special gifts", Loew said of the forward.
The buildup to the squad announcement was overshadowed by photos of midfielders Mesut Ozil and Ilkay Gundogan presenting jerseys to Turkey president Recep Tayyip Erdogan in London at the weekend.