Karlsson (lower body) isn't expected to join the Golden Knights on their upcoming four-game road trip, which will begin Sunday against the Rangers, per Jesse Granger of The Athletic on Thursday.
Karlsson suffered a lower-body injury and is considered week-to-week, the Knights announced Thursday.
Karlsson logged an assist and two shots on goal in Monday's 3-1 win over the Ducks.
Karlsson scored a goal on four shots in Saturday's 6-2 win over the Kraken.
Karlsson (personal) is expected to play Wednesday versus Colorado.
Karlsson (personal) will not be in the lineup Monday versus Philadelphia, per Danny Webster of the Las Vegas Review-Journal.
Karlsson scored two goals and added a power-play assist in Friday's 4-2 win over Utah.
Karlsson (undisclosed) was activated from injured reserve Saturday, according to the NHL media site.
Karlsson (undisclosed) is slated to return versus the Sharks on Saturday, Danny Webster of the Las Vegas Review-Journal reports.
Karlsson skated in a non-contact sweater at practice Tuesday, Jesse Granger of The Athletic reports.