I45.5

Applicable To

• Sinoatrial block

• Sinoauricular block

Approximate Synonyms

• Sinoatrial block

Clinical Information

• 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.

Details

• 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.