Syphilitic aortitis

This code represents inflammation of the aorta specifically caused by syphilis. It is a late manifestation of syphilis, often occurring years after the initial infection, and can lead to serious cardiovascular complications. The condition involves damage to the aortic wall, potentially resulting in aneurysm formation or aortic valve insufficiency.

Use this code when documentation explicitly states "syphilitic aortitis" or "aortitis due to syphilis." This diagnosis is typically made based on serological evidence of syphilis in conjunction with imaging findings (e.g., echocardiogram, CT scan) demonstrating aortic inflammation or damage. It is crucial to have a confirmed diagnosis of syphilis as the underlying etiology.

• Ensure documentation clearly links the aortitis to a syphilitic infection; otherwise, a non-specific aortitis code may be more appropriate.
• Consider sequencing this code as a secondary diagnosis if the primary reason for the encounter is a complication of the aortitis, such as an aortic aneurysm.
• Do not confuse with other forms of aortitis (e.g., Takayasu's arteritis, giant cell arteritis) which have different etiologies and corresponding codes.