Functional disturbances following cardiac surgery

This code represents a range of physiological dysfunctions or complications that arise as a direct consequence of cardiac surgical procedures, but are not classified as specific mechanical or infectious complications. These disturbances can affect various organ systems and impact a patient's recovery and long-term health.

Use this code when documentation indicates a non-specific functional impairment or disturbance directly attributable to recent cardiac surgery, such as post-pericardiotomy syndrome, persistent arrhythmias not otherwise specified, or general post-operative debility without a more specific diagnosis. Ensure the physician explicitly links the disturbance to the cardiac surgery.

• Always sequence this code after the primary diagnosis for the specific functional disturbance, if one is identified.
• Avoid using this code if a more specific post-operative complication code (e.g., hemorrhage, infection, mechanical complication of prosthetic device) is available and documented.
• Requires clear physician documentation linking the functional disturbance to the cardiac surgery; "post-op cardiac surgery" alone is insufficient.