S83.1 - Subluxation and dislocation of knee
S83.13 - Medial subluxation and dislocation of proximal end of tibia
S83.131 - Medial subluxation of proximal end of tibia, right knee
S83.132 - Medial subluxation of proximal end of tibia, left knee
S83.133 - Medial subluxation of proximal end of tibia, unspecified knee
S83.134 - Medial dislocation of proximal end of tibia, right knee
S83.135 - Medial dislocation of proximal end of tibia, left knee
S83.136 - Medial dislocation of proximal end of tibia, unspecified knee