M23.50 Chronic instability of knee, unspecified knee
Billable / valid for submission ICD10CM Release FY2026
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|---|---|---|---|
| FY2026 | 2025-10-01 | current | Chronic instability of knee, unspecified knee | yes |
Related codes in M23
- M23 Internal derangement of knee
- M23.0 Cystic meniscus
- M23.00 Cystic meniscus, unspecified meniscus
- M23.000 Cystic meniscus, unspecified lateral meniscus, right knee
- M23.001 Cystic meniscus, unspecified lateral meniscus, left knee
- M23.002 Cystic meniscus, unspecified lateral meniscus, unspecified knee
- M23.003 Cystic meniscus, unspecified medial meniscus, right knee
- M23.004 Cystic meniscus, unspecified medial meniscus, left knee
- M23.005 Cystic meniscus, unspecified medial meniscus, unspecified knee
- M23.006 Cystic meniscus, unspecified meniscus, right knee
- M23.007 Cystic meniscus, unspecified meniscus, left knee
- M23.009 Cystic meniscus, unspecified meniscus, unspecified knee
- M23.01 Cystic meniscus, anterior horn of medial meniscus
- M23.011 Cystic meniscus, anterior horn of medial meniscus, right knee
- M23.012 Cystic meniscus, anterior horn of medial meniscus, left knee
- M23.019 Cystic meniscus, anterior horn of medial meniscus, unspecified knee
- M23.02 Cystic meniscus, posterior horn of medial meniscus
- M23.021 Cystic meniscus, posterior horn of medial meniscus, right knee
- M23.022 Cystic meniscus, posterior horn of medial meniscus, left knee
- M23.029 Cystic meniscus, posterior horn of medial meniscus, unspecified knee