2023 ICD-10-CM Diagnosis Code I44

Atrioventricular and left bundle-branch block

2016

2017

2018

2019

2020

2021

2022

2023

Non-Billable/Non-Specific Code

I44 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
The 2023 edition of ICD-10-CM I44 became effective on October 1, 2022.
This is the American ICD-10-CM version of I44 - other international versions of ICD-10 I44 may differ.

The following code(s) above I44 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

that may be applicable to I44:

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

ICD-10-CM Codes Adjacent To I44

I42.1 Obstructive hypertrophic cardiomyopathy

I42.2 Other hypertrophic cardiomyopathy

I42.3 Endomyocardial (eosinophilic) disease

I42.4 Endocardial fibroelastosis

I42.5 Other restrictive cardiomyopathy

I42.6 Alcoholic cardiomyopathy

I42.7 Cardiomyopathy due to drug and external agent

I42.8 Other cardiomyopathies

I42.9 Cardiomyopathy, unspecified

I43 Cardiomyopathy in diseases classified elsewhere

I44 Atrioventricular and left bundle-branch block

I44.0 Atrioventricular block, first degree

I44.1 Atrioventricular block, second degree

I44.2 Atrioventricular block, complete

I44.3 Other and unspecified atrioventricular block

I44.30 Unspecified atrioventricular block

I44.39 Other atrioventricular block

I44.4 Left anterior fascicular block

I44.5 Left posterior fascicular block

I44.6 Other and unspecified fascicular block

I44.60 Unspecified fascicular block

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.