Wizards forward Al Harrington underwent a diagnostic arthroscopy and lavage procedure this evening to clean out loose particles in his right knee.
He will miss the next four weeks and then be re-evaluated. The procedure was performed by Dr. Richard Steadman in Vail, Colorado.
Harrington has averaged 7.9 points and 1.4 rebounds 18.6 minutes over seven games for the Wizards this season.