FY2021
Effective from
- Inherited rules changed
Cystic meniscus, unspecified meniscus
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
Cystic meniscus, unspecified meniscus
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
M23.000Cystic meniscus, unspecified lateral meniscus, right kneeBillable / specificM23.001Cystic meniscus, unspecified lateral meniscus, left kneeBillable / specificM23.002Cystic meniscus, unspecified lateral meniscus, unspecified kneeBillable / specificM23.003Cystic meniscus, unspecified medial meniscus, right kneeBillable / specificM23.004Cystic meniscus, unspecified medial meniscus, left kneeBillable / specificM23.005Cystic meniscus, unspecified medial meniscus, unspecified kneeBillable / specificM23.006Cystic meniscus, unspecified meniscus, right kneeBillable / specificM23.007Cystic meniscus, unspecified meniscus, left kneeBillable / specificM23.009Cystic meniscus, unspecified meniscus, unspecified kneeBillable / specificOther entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M23.01 | Cystic meniscus, anterior horn of medial meniscus | Category · further specificity required |
| M23.02 | Cystic meniscus, posterior horn of medial meniscus | Category · further specificity required |
| M23.03 | Cystic meniscus, other medial meniscus | Category · further specificity required |
| M23.04 | Cystic meniscus, anterior horn of lateral meniscus | Category · further specificity required |
| M23.05 | Cystic meniscus, posterior horn of lateral meniscus | Category · further specificity required |
| M23.06 | Cystic meniscus, other lateral meniscus | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗