ICD-10-CM > S00-T88 > S80-S89 > S83 > S83.0 > S83.01 S83.01 Lateral subluxation and dislocation of patella Non-Billable/Non-Specific Codes S83.011Lateral subluxation of right patellaS83.011A..., initial encounterS83.011D..., subsequent encounterS83.011S..., sequelaS83.012Lateral subluxation of left patellaS83.012A..., initial encounterS83.012D..., subsequent encounterS83.012S..., sequelaS83.013Lateral subluxation of unspecified patellaS83.013A..., initial encounterS83.013D..., subsequent encounterS83.013S..., sequelaS83.014Lateral dislocation of right patellaS83.014A..., initial encounterS83.014D..., subsequent encounterS83.014S..., sequelaS83.015Lateral dislocation of left patellaS83.015A..., initial encounterS83.015D..., subsequent encounterS83.015S..., sequelaS83.016Lateral dislocation of unspecified patellaS83.016A..., initial encounterS83.016D..., subsequent encounterS83.016S..., sequela