Borgstrom was reassigned to AHL Hershey on Thursday.
Borgstrom was summoned from AHL Hershey on Tuesday.
Borgstrom was waived by Washington on Sunday for the purpose of assigning him to the minors.
Borgstrom signed a one-year, two-way contract with the Capitals in July of 2022.
Borgstrom was waived by the Blackhawks on Monday for the purpose of having his contract bought out, Elliotte Friedman of Sportsnet reports.
Borgstrom notched an assist and two shots on goal in Sunday's 5-1 loss to the Flames.
Borgstrom (non-COVID illness) was activated from injured reserve Thursday, Charlie Roumeliotis of NBC Sports Chicago reports.
Henrik Borgstrom was placed injured reserve Wednesday, Charlie Roumeliotis of NBC Sports Chicago reports.
Borgstrom won't play Saturday versus Toronto due to a non-COVID illness, Charlie Roumeliotis of NBC Sports Chicago reports.
Borgstrom (illness) will be in Friday's lineup against Arizona, Carter Baum of the Blackhawks' official site reports.