ICD-9-CM Volume 2 Index entries containing back-references to 
440.0:
- Aortitis (nonsyphilitic) 447.6  arteriosclerotic 440.0 arteriosclerotic 440.0
 
- Arteriosclerosis, arteriosclerotic (artery) (deformans) (diffuse) (disease) (endarteritis) (general) (obliterans) (obliterative) (occlusive) (senile) (with calcification) 440.9  aorta 440.0 aorta 440.0
 
- Atheroma, atheromatous (see also Arteriosclerosis) 440.9  aorta, aortic 440.0 aorta, aortic 440.0  valve (see also Endocarditis, aortic) 424.1 valve (see also Endocarditis, aortic) 424.1 
 
 
- Calcification aorta 440.0 aorta 440.0
 
- Degeneration, degenerative aorta, aortic 440.0 aorta, aortic 440.0  fatty 447.8 fatty 447.8 
  valve (heart) (see also Endocarditis, aortic) 424.1 valve (heart) (see also Endocarditis, aortic) 424.1 
 
 
- Sclerosis, sclerotic aorta, aortic 440.0 aorta, aortic 440.0  valve (see also Endocarditis, aortic) 424.1 valve (see also Endocarditis, aortic) 424.1 
 
 
- Stenosis (cicatricial) - see also Stricture aorta (ascending) 747.22 aorta (ascending) 747.22   arch 747.10 arch 747.10 
  arteriosclerotic 440.0 arteriosclerotic 440.0
  calcified 440.0 calcified 440.0
 
 
- Stricture (see also Stenosis) 799.89  aorta (ascending) 747.22 aorta (ascending) 747.22   arch 747.10 arch 747.10 
  arteriosclerotic 440.0 arteriosclerotic 440.0
  calcified 440.0 calcified 440.0