2025 ICD-10-CM code I45.0

Right fascicular block is a type of heart block affecting the right bundle branch.

Refer to the official ICD-10-CM coding guidelines for detailed instructions on the appropriate use of this code. Note that additional codes may be necessary if associated symptoms or conditions exist.

Medical necessity for coding I45.0 is established through the presence of a documented right fascicular block on the ECG and the clinical assessment of the patient’s symptoms and cardiovascular risk profile.The necessity for further testing will depend on the severity of symptoms and the presence of other cardiovascular conditions.

The clinical responsibility for diagnosing and managing I45.0 falls upon cardiologists and other specialists involved in the assessment and treatment of cardiac rhythm disorders. This often includes performing and interpreting electrocardiograms (ECGs), evaluating the patient's symptoms, and determining the need for further investigations or treatments.

IMPORTANT This code may be used in conjunction with other codes to fully describe the patient's condition.Consider other codes within the I45 category (Other conduction disorders) depending on the specifics of the heart block.

In simple words: This code indicates a problem with the electrical signals in the right side of the heart. This can cause an irregular heartbeat, but many people with this condition don't have any symptoms.

I45.0, Right fascicular block, signifies a specific type of heart block characterized by impaired electrical conduction through the right bundle branch of the heart's conduction system. This disruption can lead to variations in the heart's rhythm and electrical activity.The condition is often diagnosed using electrocardiography (ECG) which reveals characteristic changes in the QRS complex. While often asymptomatic, it can be associated with other cardiovascular conditions and may require further investigation depending on the patient's clinical presentation.

Example 1: A 65-year-old male presents with palpitations and dizziness. ECG reveals a right fascicular block.Further investigation shows no other cardiac issues; the patient is monitored for any changes., A 70-year-old female with a history of hypertension and coronary artery disease is found to have a right fascicular block during a routine ECG. This finding is noted and considered in her overall cardiovascular risk assessment., An 80-year-old male undergoes cardiac surgery, and post-operative ECG shows a new onset right fascicular block. The case is reviewed for potential causes and management strategies.

** The presence of a right fascicular block alone may not necessitate treatment in all cases. Management depends on the overall clinical picture and associated risk factors. Always document the associated symptoms, findings, and clinical judgment.

  • Payment Status: Active
  • Specialties:Cardiology
  • Place of Service:Office, Inpatient Hospital, Outpatient Hospital, Ambulatory Surgical Center
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