FY2021
Effective from
- Inherited rules changed
Derangement of meniscus due to old tear or injury
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
Derangement of meniscus due to old tear or injury
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 |
Old bucket-handle tear
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
M23.20Derangement of unspecified meniscus due to old tear or injuryCategory · further specificity requiredM23.21Derangement of anterior horn of medial meniscus due to old tear or injuryCategory · further specificity requiredM23.22Derangement of posterior horn of medial meniscus due to old tear or injuryCategory · further specificity requiredM23.23Derangement of other medial meniscus due to old tear or injuryCategory · further specificity requiredM23.24Derangement of anterior horn of lateral meniscus due to old tear or injuryCategory · further specificity requiredM23.25Derangement of posterior horn of lateral meniscus due to old tear or injuryCategory · further specificity requiredM23.26Derangement of other lateral meniscus due to old tear or injuryCategory · 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 |
| M23.3 | Other meniscus derangements | 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 ↗
Excludes 1 · old bucket-handle tear (M23.2)