Gauthier was moved to the waiver wire Sunday, according to Elliotte Friedman of Sportsnet.
The Islanders placed Gauthier on waivers Friday, Elliotte Friedman of Sportsnet reports.
Gauthier (undisclosed) is slated to be available for Saturday's game against Carolina.
Gauthier (undisclosed) traveled with the Islanders to Washington, but he'll miss Wednesday's contest against the Capitals.
Gauthier scored a goal on his lone shot in Tuesday's 5-4 overtime loss to San Jose.
Gauthier took part in Wednesday's practice, which suggests he's recovered from his illness, but he's projected to be a healthy scratch for the evening's game against Philadelphia, per Andrew Gross of Newsday.
Gauthier (illness) will miss Saturday's game against Calgary, according to Andrew Gross of Newsday.
Gauthier signed a two-year deal with the Islanders on Wednesday.
Gauthier (illness) participated in Tuesday's morning skate after missing the past two games, TSN 1200 Ottawa reports.
Gauthier (illness) is day-to-day and is not expected to play Saturday against Toronto, Bruce Garrioch of the Ottawa Sun reports.