AHA Coding Clinic® for ICD-9 - 2010 Issue 4; VOLUMES 1 & 2 NEW/REVISED CODES

Aortic Ectasia

Aortic ectasia refers to mild dilation of the aorta that is not defined as an aneurysm, usually less than 3 cm in diameter. Previously aortic ectasia was indexed to code 441.9, Aortic aneurysm of unspecified site without mention of rupture; however, patients with aortic ectasia do not have an aortic aneurysm. As of October 1, 2010, subcategory 447.7, Aortic ectasia, has been created to specifically differentiate this condition. 447 Other disorders of arteries and arterioles New 447.7 Aortic ectasia subcategory Ectasis aorta Excludes: aortic aneurysm and dissection (441.00-441.9) New code 447.70 Aortic ectasia...

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