Deadmarsh, 27, is still suffering from concussion-like symptoms and not played in over a week.
The rugged right winger has registered 13 goals and four assists for 17 points in 20 games this season, his second with the Kings.
Deadmarsh has totalled 184 goals and 373 points with 819 penalty minutes in 567 games over nine NHL seasons with the Quebec Nordiques/Colorado Avalanche and Kings.
Adam Deadmarsh was placed on injured reserve on Monday.(AP Photo)
The Trail, B.C., native was drafted 14th overall by Quebec in 1993.
In a related move, the Kings activated centre Derek Armonstrong, who sat out six games with a groin strain.
The 29-year-old native of Ottawa has five goals and 10 points in 19 appearances for Los Angeles.