- Q20.4 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 Q20.4 became effective on October 1, 2022.
- This is the American ICD-10-CM version of Q20.4 – other international versions of ICD-10 Q20.4 may differ.
ICD-10-CM Q20.4 is grouped within Diagnostic Related Group(s):
- 306 Cardiac congenital and valvular disorders with mcc
- 307 Cardiac congenital and valvular disorders without mcc
Applicable To
- Common ventricle
- Cor triloculare biatriatum
- Single ventricle
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 Q20.4:
- ventricular (congenital) > septum Q21.19
- ventricular septum > Absence (of) (organ or part) (complete or partial)
- ventricular > septum Q21.19
- ventricle > Common
- biatrium > triloculare Q20.8
- with rudimentary ventricle > ventricular septum Q21.0
- inlet ventricle > Double
- ventricle > Single