Effective from
- First observed
Other acquired deformities of limbs
Category — select a more specific code
CDC/NCHS · FY2016For 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
No recorded change since first observation
Effective from
Other acquired deformities of limbs
Category — select a more specific code
CDC/NCHS · FY2016| 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 | 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 |
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
M21.0Valgus deformity, not elsewhere classifiedCategory · further specificity requiredM21.1Varus deformity, not elsewhere classifiedCategory · further specificity requiredM21.2Flexion deformityCategory · further specificity requiredM21.3Wrist or foot drop (acquired)Category · further specificity requiredM21.4Flat foot [pes planus] (acquired)Category · further specificity requiredM21.5Acquired clawhand, clubhand, clawfoot and clubfootCategory · further specificity requiredM21.6Other acquired deformities of footCategory · further specificity requiredM21.7Unequal limb length (acquired)Category · further specificity requiredM21.8Other specified acquired deformities of limbsCategory · further specificity requiredM21.9Unspecified acquired deformity of limb and handCategory · further specificity requiredOfficial titles and instructions are preserved in their source language. Official sources ↗