M22.2X Patellofemoral disordersNon-billable header with 3 child codes.
M22.2X1 Patellofemoral disorders, right kneeM22.2X2 Patellofemoral disorders, left kneeM22.2X9 Patellofemoral disorders, unspecified kneeS83 Dislocation and sprain of joints and ligaments of knee ("derangement of patella (M22.0-M22.3)")M22.1 Recurrent subluxation of patellaM22.10 Recurrent subluxation of patella, unspecified kneeM22.11 Recurrent subluxation of patella, right kneeM22.12 Recurrent subluxation of patella, left kneeM22.2 Patellofemoral disordersM22.2X Patellofemoral disorders (this code)M22.2X1 Patellofemoral disorders, right kneeM22.2X2 Patellofemoral disorders, left kneeM22.2X9 Patellofemoral disorders, unspecified kneeM22.3 Other derangements of patellaM22.3X Other derangements of patella