M22.2 - Patellofemoral disorders M22 - Disorder of patella M22.2 - Patellofemoral disorders M22.2X - Patellofemoral disorders
M22.2X1 - Patellofemoral disorders, right knee M22.2X2 - Patellofemoral disorders, left knee M22.2X9 - Patellofemoral disorders, unspecified knee