- Q23.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM Q23.9 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q23.9 – other international versions of ICD-10 Q23.9 may differ.
ICD-10-CM Q23.9 is grouped within Diagnostic Related Group(s):
- 306 Cardiac congenital and valvular disorders with mcc
- 307 Cardiac congenital and valvular disorders without mcc
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to Q23.9:
- aortic cusp or valve > Anomaly, anomalous (congenital) (unspecified type) Q89.9
- mitral (leaflets) (valve) > Anomaly, anomalous (congenital) (unspecified type) Q89.9
- aortic valve > Malformation (congenital)
- mitral valve > Malformation (congenital)