The defenseman, who was injured late in the third period of a 5-4 overtime loss to the Carolina Hurricanes at PNC Arena on Tuesday, will have arthroscopic surgery on Jan. 14.
Gostisbehere did not play in a 3-2 win against the Washington Capitals at Wells Fargo Center on Wednesday; defenseman Mark Friedman was recalled from Lehigh Valley of the American Hockey League to take his place.
Gostisbehere has 12 points (five goals, seven assists) in 40 games this season and 199 points (51 goals, 148 assists) in 338 NHL games, all with the Flyers.
The Flyers, who host the Tampa Bay Lightning on Saturday (7 p.m. ET; NBCSP+, SUN, NHL.TV), recalled forward
David Kase
from Lehigh Valley on Thursday and sent down forward Mikhail Vorobyev.