Hartman will appeal his 10-game suspension to commissioner Gary Bettman, Michael Russo of The Athletic reports.
The NHL Department of Player Safety offered Hartman an in-person hearing Sunday for roughing Ottawa's Tim Stutzle on Saturday.
Hartman logged an assist and two shots on goal in Saturday's 5-4 loss to the Flames.
Hartman notched two assists and a plus-2 rating in Tuesday's 6-4 win over the Blues.
Hartman scored a goal, added two hits, blocked two shots and went plus-2 in Tuesday's 4-2 win over the Blues.
Hartman had four shots and two hits over a season-high 18:51 time on ice in Thursday's 3-0 win over the Canadiens.
Hartman (upper body) will be in the lineup versus Tampa Bay on Friday, Michael Russo of The Athletic reports.
Hartman (upper body) was a full participant in practice Thursday and could return to action Friday versus Tampa Bay, Sarah McLellan of the Minneapolis Star Tribune reports.
Hartman (upper body) has returned to Minnesota, signaling that he'll miss the final two games of the Wild's road trip, Michael Russo of The Athletic reports Friday.
Hartman (upper body) is expected to remain on the shelf versus the Lightning on Thursday, Michael Russo of The Athletic reports.