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initial encounter

D subsequent encounter
S sequela
S83.0 Subluxation and dislocation of patella
S83.00 Unspecified subluxation and dislocation of patella
S83.001 Unspecified subluxation of right patella
S83.002 Unspecified subluxation of left patella
S83.003 Unspecified subluxation of unspecified patella
S83.004 Unspecified dislocation of right patella
S83.005 Unspecified dislocation of left patella
S83.006 Unspecified dislocation of unspecified patella
S83.01 Lateral subluxation and dislocation of patella
S83.011 Lateral subluxation of right patella
S83.012 Lateral subluxation of left patella
S83.013 Lateral subluxation of patella, unspecified side
S83.014 Lateral dislocation of right patella
S83.015 Lateral dislocation of left patella
S83.016 Lateral dislocation of patella, unspecified side
S83.09 Other subluxation and dislocation of patella
S83.091 Other subluxation of right patella
S83.092 Other subluxation of left patella
S83.093 Other subluxation of unspecified patella
S83.094 Other dislocation of right patella
S83.095 Other dislocation of left patella
S83.096 Other dislocation of unspecified patella
S83.1 Subluxation and dislocation of knee
Excludes2: dislocation and subluxation of knee prosthesis (T84.022, T84.023)
S83.10 Unspecified subluxation and dislocation of knee
S83.101 Unspecified subluxation of right knee
S83.102 Unspecified subluxation of left knee
S83.103 Unspecified subluxation of unspecified knee
S83.104 Unspecified dislocation of right knee
S83.105 Unspecified dislocation of left knee
S83.106 Unspecified dislocation of unspecified knee
S83.11 Anterior subluxation and dislocation of proximal end of tibia
Posterior subluxation and dislocation of distal end of femur
S83.