Other and unspecified atrioventricular block
- I44.3 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
- The 2025 edition of ICD-10-CM I44.3 became effective on October 1, 2024.
- This is the American ICD-10-CM version of I44.3 – other international versions of ICD-10 I44.3 may differ.
Applicable To
- Atrioventricular block NOS
The following code(s) above I44.3 contain annotation back-references
that may be applicable to I44.3:
- I00-I99 Diseases of the circulatory system
Clinical Information
- A delay or failure in the conduction of a cardiac impulse from the atria to the ventricles at the level of the atrioventricular node.
- Impaired impulse conduction from heart atria to heart ventricles. Av block can mean delayed or completely blocked impulse conduction.
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 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
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
- 2025 (effective 10/1/2024): No change