M01.X - Direct infection of joint in infectious and parasitic diseases classified elsewhere
M01.X6 - Direct infection of knee in infectious and parasitic diseases classified elsewhere
M01.X61 - Direct infection of right knee in infectious and parasitic diseases classified elsewhere
M01.X62 - Direct infection of left knee in infectious and parasitic diseases classified elsewhere
M01.X69 - Direct infection of unspecified knee in infectious and parasitic diseases classified elsewhere