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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 I44.0
2023 ICD-10-CM Diagnosis Code I44.0
Atrioventricular block, first degree
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- I44.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM I44.0 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I44.0 - other international versions of ICD-10 I44.0 may differ.
The following code(s) above
I44.0 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
I44.0:
- First degree atrioventricular block
Clinical Information
- A delay in the time required for the conduction of an electrical impulse through the atrioventricular (av) node beyond 0.2 seconds; prolongation of the pr interval beyond 200 milliseconds.
- A disorder characterized by a dysrhythmia with a delay in the time required for the conduction of an electrical impulse through the atrioventricular (av) node beyond 0.2 seconds; prolongation of the pr interval greater than 200 milliseconds.
ICD-10-CM I44.0 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 308 Cardiac arrhythmia and conduction disorders with mcc
- 309 Cardiac arrhythmia and conduction disorders with cc
- 310 Cardiac arrhythmia and conduction disorders without cc/mcc
Convert I44.0 to ICD-9-CM
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
- Block, blocked
- atrioventricular (incomplete) (partial) I44.30
ICD-10-CM Diagnosis Code I44.30
Unspecified atrioventricular block
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- heart I45.9
ICD-10-CM Diagnosis Code I45.9
Conduction disorder, unspecified
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Heart block NOS
- Stokes-Adams syndrome
- first degree I44.0 (atrioventricular)
- Prolonged, prolongation (of)
ICD-10-CM Codes Adjacent To I44.0
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.
