M22.12 Recurrent subluxation of patella, left knee

Billable ICD-10-CM code, FY2026.

Applies from M22 Disorder of patella

Excludes2 (not included here)

• traumatic dislocation of patella (S83.0-)

Applies from M22.1 Recurrent subluxation of patella

Applicable to

• Incomplete dislocation of patella

MS-DRG index

Defines the logic of DRG(s) 562-563 in MDC 08.

Approximate ICD-9-CM (GEMs)

• 718.36 Recurrent dislocation of joint, lower leg (approximate)

Code annotations containing back-references to M22.12

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)")

Nearby codes

• M22.01 Recurrent dislocation of patella, right knee
• M22.02 Recurrent dislocation of patella, left knee
• M22.1 Recurrent subluxation of patella
• M22.10 Recurrent subluxation of patella, unspecified knee
• M22.11 Recurrent subluxation of patella, right knee
• M22.12 Recurrent subluxation of patella, left knee (this code)
• M22.2 Patellofemoral disorders
• M22.2X Patellofemoral disorders
• M22.2X1 Patellofemoral disorders, right knee
• M22.2X2 Patellofemoral disorders, left knee
• M22.2X9 Patellofemoral disorders, unspecified knee