FY2021
Effective from
- Inherited rules changed
Derangement of other medial 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 other medial 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 |
The official Tabular List has no additional instructions at this code level.
Review the instructions inherited from its parent categories below. Inherited instructions ↓
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
Old bucket-handle tear
M23.231Derangement of other medial meniscus due to old tear or injury, right kneeBillable / specificM23.232Derangement of other medial meniscus due to old tear or injury, left kneeBillable / specificM23.239Derangement of other medial meniscus due to old tear or injury, unspecified kneeBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M23.20 | Derangement of unspecified meniscus due to old tear or injury | Category · further specificity required |
| M23.21 | Derangement of anterior horn of medial meniscus due to old tear or injury | Category · further specificity required |
| M23.22 | Derangement of posterior horn of medial meniscus due to old tear or injury | Category · further specificity required |
| M23.24 | Derangement of anterior horn of lateral meniscus due to old tear or injury | Category · further specificity required |
| M23.25 | Derangement of posterior horn of lateral meniscus due to old tear or injury | Category · further specificity required |
| M23.26 | Derangement of other lateral meniscus due to old tear or injury | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗