FY2025
Effective from
- Code-level rules changed
Nonrheumatic aortic valve disorders
Category — select a more specific code
CDC/NCHS · FY2025, if applicable, bicuspid aortic valve (Q23.81)
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 · FY2025
Effective from
Nonrheumatic aortic valve disorders
Category — select a more specific code
CDC/NCHS · FY2025| 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 | Code-level rules changed |
| 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 |
, if applicable, bicuspid aortic valve (Q23.81)
I35.0Nonrheumatic aortic (valve) stenosisBillable / specificI35.1Nonrheumatic aortic (valve) insufficiencyBillable / specificI35.2Nonrheumatic aortic (valve) stenosis with insufficiencyBillable / specificI35.8Other nonrheumatic aortic valve disordersBillable / specificI35.9Nonrheumatic aortic valve disorder, unspecifiedBillable / specificOfficial titles and instructions are preserved in their source language. Official sources ↗
Excludes 2 · aortic valve disease not specified as rheumatic (I35.-)
Excludes 2 · multiple valve disease specified as nonrheumatic (I34.-, I35.-, I36.-, I37.-, I38.-, Q22.-, Q23.-, Q24.8-)
Code first · nonrheumatic aortic valve disorders (I35.-)