M22.1 Recurrent subluxation of patella

Non-billable header with 3 child codes.

Applicable to

• Incomplete dislocation of patella

Applies from M22 Disorder of patella

Excludes2 (not included here)

• traumatic dislocation of patella (S83.0-)

Codes under M22.1

• M22.10 Recurrent subluxation of patella, unspecified knee
• M22.11 Recurrent subluxation of patella, right knee
• M22.12 Recurrent subluxation of patella, left knee

Code annotations containing back-references to M22.1

Back-references to M22.1

• Type 2 Excludes: M23 Internal derangement of knee ("recurrent dislocation or subluxation of patella (M22.0-M22.1)")
• Type 2 Excludes: M24.4 Recurrent dislocation of joint ("recurrent dislocation of patella (M22.0-M22.1)")
• Type 2 Excludes: S83 Dislocation and sprain of joints and ligaments of knee ("derangement of patella (M22.0-M22.3)")

Diagnosis Index entries for M22.1

• Dislocation (articular) › patella › recurrent (nontraumatic) › incomplete

Nearby codes

• M22 Disorder of patella
• M22.0 Recurrent dislocation of patella
• M22.00 Recurrent dislocation of patella, unspecified knee
• M22.01 Recurrent dislocation of patella, right knee
• M22.02 Recurrent dislocation of patella, left knee
• M22.1 Recurrent subluxation of patella (this code)
• M22.10 Recurrent subluxation of patella, unspecified knee
• M22.11 Recurrent subluxation of patella, right knee
• M22.12 Recurrent subluxation of patella, left knee
• M22.2 Patellofemoral disorders
• M22.2X Patellofemoral disorders