M23.64 Other spontaneous disruption of lateral collateral ligament of knee

Non-billable header with 3 child codes.

Applies from M23 Internal derangement of knee

Excludes1 (never code together)

• ankylosis (M24.66)
• deformity of knee (M21.-)
• osteochondritis dissecans (M93.2)

Excludes2 (not included here)

• current injury - see injury of knee and lower leg (S80-S89)
• recurrent dislocation or subluxation of joints (M24.4)
• recurrent dislocation or subluxation of patella (M22.0-M22.1)

Codes under M23.64

• M23.641 Other spontaneous disruption of lateral collateral ligament of right knee
• M23.642 Other spontaneous disruption of lateral collateral ligament of left knee
• M23.649 Other spontaneous disruption of lateral collateral ligament of unspecified knee

Code annotations containing back-references to M23.64

Back-references to M23

• Type 2 Excludes: M24.1 Other articular cartilage disorders ("internal derangement of knee (M23.-)")
• Type 2 Excludes: S83 Dislocation and sprain of joints and ligaments of knee ("internal derangement of knee (M23.-)")

Diagnosis Index entries for M23.64

• Derangement › knee (recurrent) › ligament disruption, spontaneous › lateral collateral

Nearby codes

• M23.629 Other spontaneous disruption of posterior cruciate ligament of unspecified knee
• M23.63 Other spontaneous disruption of medial collateral ligament of knee
• M23.631 Other spontaneous disruption of medial collateral ligament of right knee
• M23.632 Other spontaneous disruption of medial collateral ligament of left knee
• M23.639 Other spontaneous disruption of medial collateral ligament of unspecified knee
• M23.64 Other spontaneous disruption of lateral collateral ligament of knee (this code)
• M23.641 Other spontaneous disruption of lateral collateral ligament of right knee
• M23.642 Other spontaneous disruption of lateral collateral ligament of left knee
• M23.649 Other spontaneous disruption of lateral collateral ligament of unspecified knee
• M23.67 Other spontaneous disruption of capsular ligament of knee
• M23.671 Other spontaneous disruption of capsular ligament of right knee