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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 I45.5
2023 ICD-10-CM Diagnosis Code I45.5
Other specified heart block
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- I45.5 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 I45.5 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I45.5 - other international versions of ICD-10 I45.5 may differ.
Applicable To- Sinoatrial block
- Sinoauricular block
Type 1 ExcludesType 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as I45.5. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
The following code(s) above
I45.5 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
I45.5:
- A blockage of electrical conduction within the sinoatrial node resulting in the failure of impulse transmission from the sinoatrial node.
- A blockage of electrical conduction within the sinoatrial node resulting in the prolongation or failure (intermittent or complete) of impulse transmission from the sinoatrial node to the surrounding atrial tissue.
- Disturbance in the atrial activation that is caused by transient failure of impulse conduction from the sinoatrial node to the heart atria. It is characterized by a delayed in heartbeat and pauses between p waves in an electrocardiogram.
ICD-10-CM I45.5 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 I45.5 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
- Arborization block I45.5 (heart)
- Arrest, arrested
- Block, blocked
- 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
- arborization I45.5 (heart)
- nodal I45.5
- sinoatrial I45.5
- sinoauricular I45.5
- Sinus - see also Fistula
- Standstill
- auricular I45.5
- sinoatrial I45.5
ICD-10-CM Codes Adjacent To I45.5
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
I47 Paroxysmal tachycardia
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
