Luostarinen supplied an assist and five hits in Saturday's 6-3 loss to the Lightning for Game 4 of the conference quarterfinals.
Luostarinen notched an assist in Sunday's 4-1 win over the Flyers.
Luostarinen scored a goal on one shot in a 4-2 win over Washington on Thursday.
Luostarinen scored his fifth goal of the season in Thursday's 4-1 loss to the Blues.
Luostarinen registered an assist in Friday's 5-2 win over the Hurricanes.
Luostarinen was in Group A for Thursday's first practice of training camp, Colby Guy of Florida Hockey Now reports.
Luostarinen (leg) signed a three-year, $9 million contract with Florida on Tuesday.
Luostarinen suffered a broken tibia in Game 4 of the Eastern Conference Finals, which is why he missed all five contests of the Stanley Cup Finals, Colby Guy of Florida Hockey Now reports.
Luostarinen (lower body) won't play in Tuesday's Game 5 versus the Golden Knights, Jameson Olive of the Panthers' official site reports.
Luostarinen (lower body) will miss Game 4 versus Vegas on Saturday, Mike Stephens of SI Now reports.