LaPorta (knee) doesn't have an injury designation for Sunday's game in San Francisco, Tim Twentyman of the Lions' official site reports.
LaPorta (knee) was a limited practice participant Thursday.
LaPorta (knee) didn't take part in Wednesday's walkthrough.
LaPorta caught nine of 11 targets for 65 yards in Sunday's 3-123 divisional-round win over the Buccaneers.
LaPorta (knee) is listed as active for Sunday's divisional-round playoff game against the Buccaneers.
LaPorta (knee) is listed as questionable for Sunday's divisional-round game versus the Buccaneers.
LaPorta (knee) was a limited practice participant Thursday.
LaPorta (knee) is listed as active for Sunday night's wild-card game against the Rams.
LaPorta (knee), who is listed as questionable for Sunday's wild-card game versus the Rams, is "trending in the right direction" and expected to be available to play, Ian Rapoport of NFL Network reports.
LaPorta (knee) is listed as questionable for Sunday's wild-card game against the Rams, Eric Woodyard of ESPN.com reports.