FY2021
Effective from
- Inherited rules changed
Other meniscus derangements
Category — select a more specific code
CDC/NCHS · FY2021For US diagnosis claims covered by HIPAA, ICD-10-CM is required from October 1, 2015.
Use the service date for outpatient/professional claims and the discharge date for hospital inpatient claims. Earlier encounters use ICD-9-CM; each individual code must also be valid for the applicable date.
Official coding guidelines → · CMS ↗First observed · 2015-10-01
Latest recorded change · FY2021
Effective from
Other meniscus derangements
Category — select a more specific code
CDC/NCHS · FY2021| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | No tabular change |
| FY2018 | 2017-10-01 | No tabular change |
| FY2019 | 2018-10-01 | No tabular change |
| FY2020 | 2019-10-01 | No tabular change |
| FY2020 · April | 2020-04-01 | No tabular change |
| FY2021 | 2020-10-01 | Inherited rules changed |
| FY2021 · 01-01 | 2021-01-01 | No tabular change |
| FY2022 | 2021-10-01 | No tabular change |
| FY2022 · 04-01 | 2022-04-01 | No tabular change |
| FY2023 | 2022-10-01 | No tabular change |
| FY2023 · 04-01 | 2023-04-01 | No tabular change |
| FY2024 | 2023-10-01 | No tabular change |
| FY2024 · 04-01 | 2024-04-01 | No tabular change |
| FY2025 | 2024-10-01 | No tabular change |
| FY2025 · 04-01 | 2025-04-01 | No tabular change |
| FY2026 | 2025-10-01 | No tabular change |
| FY2026 · April | 2026-04-01 | No tabular change |
| FY2027 | 2026-10-01 | No tabular change |
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Disorders affecting predominantly peripheral (limb) joints
M23.30Other meniscus derangements, unspecified meniscusCategory · further specificity requiredM23.31Other meniscus derangements, anterior horn of medial meniscusCategory · further specificity requiredM23.32Other meniscus derangements, posterior horn of medial meniscusCategory · further specificity requiredM23.33Other meniscus derangements, other medial meniscusCategory · further specificity requiredM23.34Other meniscus derangements, anterior horn of lateral meniscusCategory · further specificity requiredM23.35Other meniscus derangements, posterior horn of lateral meniscusCategory · further specificity requiredM23.36Other meniscus derangements, other lateral meniscusCategory · further specificity requiredOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M23.0 | Cystic meniscus | Category · further specificity required |
| M23.2 | Derangement of meniscus due to old tear or injury | Category · further specificity required |
| M23.4 | Loose body in knee | Category · further specificity required |
| M23.5 | Chronic instability of knee | Category · further specificity required |
| M23.6 | Other spontaneous disruption of ligament(s) of knee | Category · further specificity required |
| M23.8 | Other internal derangements of knee | Category · further specificity required |
| M23.9 | Unspecified internal derangement of knee | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗