Filppula agreed to terms on a contract with Swiss club Geneve-Servette on Tuesday, RDS.ca reports.
Filppula scored a goal on three shots in Saturday's 5-4 overtime loss to Columbus.
Filppula picked up three assists in Friday's 5-2 win over the Blue Jackets.
Filppula scored a goal in Tuesday's 5-2 loss to the Stars.
Filppula notched two assists in Monday's 3-1 win over the Hurricanes.
Filppula scored a goal on two shots and added one hit in Saturday's 5-4 shootout win over Carolina.
Filppula scored on his only shot in Sunday's 5-1 win over the Lightning.
Filppula was promoted to the active roster Saturday.
Filppula hasn't played at all for the Red Wings in March.
Filppula was assigned to Detroit's taxi squad Tuesday.