Binnington earned a spot on the AHL's Atlantic Division All-Star team.
Binnington was reassigned to AHL Providence on Friday.
Blues general manager Doug Armstrong confirmed Wednesday that Binnington was assigned to AHL Chicago, Jim Thomas of the St. Louis Post-Dispatch reports.
Binnington let up two goals on 12 shots in Tuesday's loss to the Stars.
Binnington secured a one-year, two-way contract with the Blues on Saturday, TSN reports.
Binnington was extended a qualifying offer by the Blues, Fox Sports Midwest reports.
Binnington was sent down to the minors Tuesday.
Binnington was recalled to the NHL by St. Louis on Sunday.
Binnington signed a one-year, two-way contract with the Blues on Friday.
Binnington was recalled from AHL Chicago on Wednesday.