Abdominal aneurysm, ruptured

This code signifies a life-threatening condition where an abdominal aneurysm, a localized dilation of an artery in the abdomen, has burst. This rupture leads to severe internal bleeding and is a medical emergency requiring immediate intervention.

Apply this code when documentation clearly indicates a ruptured abdominal aneurysm, often presenting with sudden, severe abdominal or back pain, hypotension, and a pulsatile abdominal mass. Supporting documentation should include operative reports detailing the repair of a ruptured aneurysm or imaging reports confirming the rupture.

• Always sequence this code as the principal diagnosis when it is the reason for admission.
• Distinguish carefully from an unruptured abdominal aneurysm, which is coded differently.
• Look for specific terms like "ruptured," "perforated," or "hemorrhage due to aneurysm" in the physician's notes.