Effective from
- Inherited rules changed
Coxa plana
Category — select a more specific code
CDC/NCHS · FY2023postprocedural chondropathies (M96.-)
slipped upper femoral epiphysis (nontraumatic) (M93.0-)
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 · FY2023
Effective from
Coxa plana
Category — select a more specific code
CDC/NCHS · FY2023| 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 | Inherited rules changed |
| 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 |
Hip deformity due to previous juvenile osteochondrosis
Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
postprocedural chondropathies (M96.-)
slipped upper femoral epiphysis (nontraumatic) (M93.0-)
Other entries in the same category; these are not automatic substitutes.
| Code | Description | Category · further specificity required |
|---|---|---|
| M91.0 | Juvenile osteochondrosis of pelvis | Billable / specific |
| M91.1 | Juvenile osteochondrosis of head of femur [Legg-Calve-Perthes] | Category · further specificity required |
| M91.3 | Pseudocoxalgia | Category · further specificity required |
| M91.4 | Coxa magna | Category · further specificity required |
| M91.8 | Other juvenile osteochondrosis of hip and pelvis | Category · further specificity required |
| M91.9 | Juvenile osteochondrosis of hip and pelvis, unspecified | Category · further specificity required |
Official titles and instructions are preserved in their source language. Official sources ↗