ICD-10-CM > M00-M99 > M20-M25 > M22 > M22.0 M22.0 Recurrent dislocation of patella Non-Billable/Non-Specific Codes M22.00Recurrent dislocation of patella, unspecified kneeM22.01Recurrent dislocation of patella, right kneeM22.02Recurrent dislocation of patella, left knee