Caggiula has gone scoreless in five games while posting a minus-4 rating since being traded to the Blackhawks on Dec. 30.
Caggiula worked out his visa issues and will play Sunday versus the Penguins, Jason Lieser of the Chicago Sun-Times reports.
Caggiula is still finalizing his visa, Eric Lear of the Blackhawks' official site reports, which could see him miss the next few games.
Caggiula and Jason Garrison were dealt to Chicago for Brandon Manning and Robin Norell, Mark Spector of Sportsnet.ca reports.
Caggiula (illness) will return to the lineup for Saturday's game against the Sharks, NHL.com's Derek Van Diest reports.
Caggiula is dealing with the flu and it will prevent him from suiting up Thursday night against the Canucks, Jack Michaels of the Oilers Radio Network reports.
Caggiula (hand) was removed from injured reserve by the Oilers on Wednesday.
Caggiula (hand) could return against Colorado or Winnipeg, Tom Gazzola of TSN.ca reports.
The Oilers placed Caggiula (hand) on injured reserve Thursday.
Caggiula (hand) will undergo an MRI on Thursday to determine whether his injury is long term, Jason Gregor of OilersNation.com reports.