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ICD-10-CM Codes
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I00-I99
Diseases of the circulatory system
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I30-I52
Other forms of heart disease
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I45-
Other conduction disorders
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2021 ICD-10-CM Diagnosis Code I45.4
2021 ICD-10-CM Diagnosis Code I45.4
Nonspecific intraventricular block
2016 2017 2018 2019 2020 2021 Billable/Specific Code
- I45.4 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2021 edition of ICD-10-CM I45.4 became effective on October 1, 2020.
- This is the American ICD-10-CM version of I45.4 - other international versions of ICD-10 I45.4 may differ.
The following code(s) above
I45.4 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
I45.4:
- Bundle branch block
- Diffuse intraventricular block
- Intraventricular block, diffuse
Clinical Information
- A form of heart block in which the electrical stimulation of heart ventricles is interrupted at either one of the branches of bundle of his thus preventing the simultaneous depolarization of the two ventricles.
- An electrocardiographic finding defined by prolongation of the qrs complex. It is caused by damage of one of the bundle branches, resulting in the delay or obstruction of the conduction of electrical impulses.
ICD-10-CM I45.4 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
- 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 I45.4 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
- Block, blocked
- bundle-branch (complete) (false) (incomplete) I45.4
- heart I45.9
ICD-10-CM Diagnosis Code I45.9
Conduction disorder, unspecified
2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To- Heart block NOS
- Stokes-Adams syndrome
- intraventricular (nonspecific) I45.4
ICD-10-CM Codes Adjacent To I45.4
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
I45.89 Other specified conduction disorders
I45.9 Conduction disorder, unspecified
I46.2 Cardiac arrest due to underlying cardiac condition
I46.8 Cardiac arrest due to other underlying condition
I46.9 Cardiac arrest, cause unspecified
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
