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ICD-10-CM Codes
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I00-I99
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I30-I5A
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I44-
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2023 ICD-10-CM Diagnosis Code I44
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:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
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.