Kampf scored his first goal of the campaign in Friday's 5-2 win over Detroit.
Kampf logged an assist and two hits in Saturday's 6-3 loss to the Islanders.
Kampf (lower body) will return to the lineup for Wednesday's road matchup against the Stars, Dave McCarthy of NHL.com relays.
Kampf (lower body) was moved to long-term injured reserve Wednesday and will be unavailable until at least Dec. 14 against the Red Wings, David Alter of The Hockey News reports.
Kampf was designated for injured reserve Tuesday with a lower-body injury retroactive to Nov. 16.
Kampf notched an assist in Saturday's 4-2 loss to the Blues.
Kampf (illness) is expected to be back in the lineup Wednesday versus the Sabres, NHL.com's Dave McCarthy reports.
Kampf (illness) will be a game-time decision against the Sabres on Wednesday, Joshua Kloke of The Athletic reports.
Kampf (illness) wasn't spotted at practice Tuesday, per Lance Hornby of The Toronto Sun.
Kampf (undislosed) has been activated off injured reserve and will return to the lineup Tuesday against St. Louis, Mark Masters of TSN reports.