Unspecified right bundle-branch block

This code represents a conduction abnormality within the heart's electrical system where the impulse is delayed or blocked in the right bundle branch, without further specification of its type (e.g., complete, incomplete). This disruption affects the coordinated contraction of the ventricles, potentially impacting cardiac output. It is typically identified via electrocardiogram (ECG).

This code is appropriate when an ECG report indicates "right bundle-branch block" without additional detail regarding its completeness or specific characteristics. It should be used when the physician's documentation confirms the presence of a right bundle-branch block but does not specify if it is complete, incomplete, or another defined type.

• Do not use this code if the documentation specifies "complete right bundle-branch block" or "incomplete right bundle-branch block"; use the more specific codes.
• Ensure the medical record clearly states "unspecified" or lacks further detail regarding the type of right bundle-branch block to support this code.
• This code is often an incidental finding on an ECG and may not always be the primary diagnosis.