Los Angeles Lakers forward Ron Artest suffered a concussion and injured his left elbow after falling at his home.

Artest didn’t travel with the Lakers to Saturday’s game against Sacramento after tripping over a box and falling down stairs at his home on Christmas, the team said in a news release.

He was treated at a medical Center, underwent a scan and received stitches in the back of his head and his elbow. A neurologist examined him on Saturday and confirmed he had a concussion, the team said. Artest’s return was day to day.

Artest scored 13 points and fouled out while guarding LeBron James in the 102-87 loss to Cleveland earlier Friday. Artest is averaging 12.3 points and 4.8 rebounds in his first season with Los Angeles after signing as a free agent.