FY2019
Effective from
- Inherited rules changed
Congenital malformations of aortic and mitral valves
Category — select a more specific code
CDC/NCHS · FY2019For 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 · FY2019
Effective from
Congenital malformations of aortic and mitral valves
Category — select a more specific code
CDC/NCHS · FY2019| 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 | Inherited rules changed |
| 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 |
The official Tabular List has no additional instructions at this code level.
Review the instructions inherited from its parent categories below. Inherited instructions ↓
Codes from this chapter are not for use on maternal records
Q23.0Congenital stenosis of aortic valveBillable / specificQ23.1Congenital insufficiency of aortic valveBillable / specificQ23.2Congenital mitral stenosisBillable / specificQ23.3Congenital mitral insufficiencyBillable / specificQ23.4Hypoplastic left heart syndromeBillable / specificQ23.8Other congenital malformations of aortic and mitral valvesCategory · further specificity requiredQ23.9Congenital malformation of aortic and mitral valves, unspecifiedBillable / specificOfficial titles and instructions are preserved in their source language. Official sources ↗
Excludes 2 · multiple valve disease specified as nonrheumatic (I34.-, I35.-, I36.-, I37.-, I38.-, Q22.-, Q23.-, Q24.8-)