Warner finished with 15 tackles (eight solo) with a pass defended in Thursday's 12-6 loss to the Rams.
Warner told reporters Wednesday that he fractured a bone in his ankle in the 49ers' Week 4 win over the Patriots and has been playing through the issue since, Nick Wagoner of ESPN.com reports.
Warner tallied eight tackles (four solo) and a pass deflection during San Francisco's win over the Cowboys on Sunday.
Warner tallied 11 tackles (six solo) along with a defensed pass and a forced fumble in Thursday's 36-24 Week 6 win over Seattle.
Warner (ankle) will play Thursday against the Seahawks.
Warner (ankle) racked up 12 tackles (seven solo) in Sunday's 24-23 loss to Arizona.
Warner (ankle) is active for Sunday's game against the Cardinals, Lindsey Pallares of the 49ers' official site reports.
Warner (ankle) was listed as a DNP for Thursday's practice session.
Warner (ankle) did not participate at the 49ers' practice Wednesday.
Coach Kyle Shanahan said Monday that Warner avoided a high-ankle sprain in the wake of Sunday's win against the Patriots and is considered "day-to-day," Nick Wagoner of ESPN.com reports.