Johnson (concussion) will visit the doctor Friday after suffering a setback, according to Ben Pope of the Chicago Sun-Times.
Johnson is making progress in his recovery from a concussion, Scott Powers of The Athletic reports.
Johnson (concussion) won't accompany the Blackhawks on the team's upcoming three-game road trip, per Mark Lazerus of The Athletic.
Johnson (concussion) will be out Friday against the Kings, per Charlie Roumeliotis of NBC Sports Chicago.
Johnson suffered a head injury Tuesday and is in concussion protocol, according to Ben Pope of the Chicago Sun-Times.
Johnson recorded an assist in Sunday's 3-2 overtime loss to Detroit.
Johnson netted his first goal of the season in Saturday's 5-3 loss to the Golden Knights.
Johnson (concussion) will return to the lineup Saturday in Minnesota, Ben Pope of the Chicago Sun-Times reports.
Johnson (concussion) was placed on the injured reserve list Saturday.
Johnson entered the NHL's concussion protocol Tuesday.