FY2017
Effective from
- Code-level rules changed
Hallux valgus (acquired)
Category — select a more specific code
CDC/NCHS · FY2017bunion (M21.6-)
For 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 · FY2017
Effective from
Hallux valgus (acquired)
Category — select a more specific code
CDC/NCHS · FY2017| All editions | Effective from | Code history |
|---|---|---|
| FY2016 | 2015-10-01 | First observed |
| FY2017 | 2016-10-01 | Code-level rules changed |
| 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 | No tabular change |
| 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 |
bunion (M21.6-)
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
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M20.0 | Deformity of finger(s) | Category · further specificity required |
| M20.2 | Hallux rigidus | Category · further specificity required |
| M20.3 | Hallux varus (acquired) | Category · further specificity required |
| M20.4 | Other hammer toe(s) (acquired) | Category · further specificity required |
| M20.5 | Other deformities of toe(s) (acquired) | Category · further specificity required |
| M20.6 | Acquired deformities of toe(s), unspecified | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗