M23.3 Other meniscus derangements

Non-billable header with 7 child codes.

Applicable to

• Degenerate meniscus
• Detached meniscus
• Retained meniscus

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 M23.3

• M23.30 Other meniscus derangements, unspecified meniscus
• M23.31 Other meniscus derangements, anterior horn of medial meniscus
• M23.32 Other meniscus derangements, posterior horn of medial meniscus
• M23.33 Other meniscus derangements, other medial meniscus
• M23.34 Other meniscus derangements, anterior horn of lateral meniscus
• M23.35 Other meniscus derangements, posterior horn of lateral meniscus
• M23.36 Other meniscus derangements, other lateral meniscus

Code annotations containing back-references to M23.3

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.-)")

Nearby codes

• M23.259 Derangement of posterior horn of lateral meniscus due to old tear or injury, unspecified knee
• M23.26 Derangement of other lateral meniscus due to old tear or injury
• M23.261 Derangement of other lateral meniscus due to old tear or injury, right knee
• M23.262 Derangement of other lateral meniscus due to old tear or injury, left knee
• M23.269 Derangement of other lateral meniscus due to old tear or injury, unspecified knee
• M23.3 Other meniscus derangements (this code)
• M23.30 Other meniscus derangements, unspecified meniscus
• M23.300 Other meniscus derangements, unspecified lateral meniscus, right knee
• M23.301 Other meniscus derangements, unspecified lateral meniscus, left knee
• M23.302 Other meniscus derangements, unspecified lateral meniscus, unspecified knee
• M23.303 Other meniscus derangements, unspecified medial meniscus, right knee