Hickson hurt his ACL early in the fourth quarter of Denver's loss at Dallas last Friday, when he went down along the baseline. This has been an injury-riddled season for the Nuggets, who were already without Danilo Gallinari, JaVale McGee and Nate Robinson after they each had season-ending operations.
The 25-year-old Hickson averaged 11.8 points and 9.2 rebounds this season. He also had a team-high 26 double-doubles.
Nuggets general manager Tim Connelly said of Hickson: "We know he will attack his rehab with the same energy and hard work that he displays on the court every night."