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ICD-10-CM Codes
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I00-I99
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I30-I5A
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I45-
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2023 ICD-10-CM Diagnosis Code I45.0
2023 ICD-10-CM Diagnosis Code I45.0
Right fascicular block
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Questionable As Admission Dx
- I45.0 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 I45.0 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I45.0 - other international versions of ICD-10 I45.0 may differ.
ICD-10-CM Coding Rules
- I45.0 is not usually sufficient justification for admission to an acute care hospital when used a principal diagnosis.
The following code(s) above
I45.0 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
I45.0:
- A cardiac rhythm characterized by a qrs duration of 120 ms, rsr' or rsr' complexes in v1 and v2, delayed onset of intrinsicoid, deflection in v1 and v2 >50 ms, broad, slurred s wave in 1, v5, and v6.
- An impairment of transmission of the cardiac electrical impulse along the fibers of the right bundle branch. A " complete rbbb pattern" (with qrs duration > 0.11s) does not necessarily reflect the existence of a total conduction block in the right branch. This pattern only indicates that the entire or major parts of both ventricles are activated by the impulse emerging from the left branch. Thus, a significant degree of conduction delay ("high-grade" or "incomplete rbbb") can produce a similar pattern.
- An impairment of transmission of the cardiac electrical impulse along the fibers of the right bundle branch. A "complete rbbb pattern" (with qrs duration > 0.11s) does not necessarily reflect the existence of a total conduction block in the right branch. This pattern only indicates that the entire or major parts of both ventricles are activated by the impulse emerging from the left branch. Thus, a significant degree of conduction delay ("high-grade" or "incomplete rbbb") can produce a similar pattern.
ICD-10-CM I45.0 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 I45.0 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
- fascicular (left) I44.60
ICD-10-CM Diagnosis Code I44.60
Unspecified fascicular block
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Questionable As Admission Dx
Applicable To- Left bundle-branch hemiblock NOS
ICD-10-CM Codes Adjacent To I45.0
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
I44.7 Left bundle-branch block, unspecified
I45 Other conduction disorders
I45.0
Right fascicular block
I45.1 Other and unspecified right bundle-branch block
I45.10 Unspecified right bundle-branch block
I45.19 Other right bundle-branch block
I45.3 Trifascicular block
I45.4 Nonspecific intraventricular block
I45.5 Other specified heart block
I45.6 Pre-excitation syndrome
I45.8 Other specified conduction disorders
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
