The Dutchman was injured by an errant sort out from Jordan Pickford in Saturday’s drawn Merseyside derby.
The Reds are usually not placing a timeframe on van Dijk’s return, however he’s anticipated to spend a prolonged spell on the sidelines.
“The centre-back broken knee ligaments following an incident involving Blues goalkeeper Jordan Pickford after six minutes at Goodison Park.
“Van Dijk was required to be substituted and additional evaluation on the harm has revealed an operation will probably be wanted.
“No particular timescale is being positioned upon his return to motion at this stage.
“Following surgical procedure, Van Dijk will start a rehabilitation programme with the membership’s medical group to allow him to succeed in full health as quickly as attainable.”