Ekdal was badly injured in Burnley’s league cup match this week and has been forced to withdraw.
“It’s sad for Hjalmar and for us,” says confederation captain Janne Andersson to the Swedish Football Association’s website.
Lagerbielke joined Scottish Celtic from Elfsborg earlier this summer. He has played one international match for Sweden.
During the gathering, Sweden is pitted against Estonia and Austria in the qualifying game for European Championship 2024.