PORTLAND — Portland Trail Blazers forward Maurice Harkless will undergo an arthroscopy Wednesday in Portland to remove a loose body in his left knee, it was announced today by president of basketball operations Neil Olshey.

A timeline for Harkless’s return will be determined following Wednesday’s procedure.

For the season, Harkless has averaged 6.5 points (49.5 percent FG, 41.5 percent 3-PT, 71.2 percent FT), 2.7 rebounds, 0.9 assists, 0.81 steals and 21.4 minutes in 59 games (36 starts).