1. I77 Other disorders of arteries and arterioles


    • collagen (vascular) diseases (M30-M36)
    • hypersensitivity angiitis (M31.0)
    • pulmonary artery (I28.-)
    1. I77.0 Arteriovenous fistula, acquired

      Inclusion term(s):

      • Aneurysmal varix
      • Arteriovenous aneurysm, acquired
    2. I77.1 Stricture of artery

      Inclusion term(s):

      • Narrowing of artery
    3. I77.2 Rupture of artery

      Inclusion term(s):

      • Erosion of artery
      • Fistula of artery
      • Ulcer of artery
    4. I77.3 Arterial fibromuscular dysplasia

      Inclusion term(s):

      • Fibromuscular hyperplasia (of) carotid artery
      • Fibromuscular hyperplasia (of) renal artery
    5. I77.4 Celiac artery compression syndrome

    6. I77.5 Necrosis of artery

    7. I77.6 Arteritis, unspecified

      Inclusion term(s):

      • Aortitis NOS
      • Endarteritis NOS
    8. I77.7 Other arterial dissection

      1. I77.70 Dissection of unspecified artery

      2. I77.71 Dissection of carotid artery

      3. I77.72 Dissection of iliac artery

      4. I77.73 Dissection of renal artery

      5. I77.74 Dissection of vertebral artery

      6. I77.75 Dissection of other precerebral arteries

        Inclusion term(s):

        • Dissection of basilar artery (trunk)
      7. I77.76 Dissection of artery of upper extremity

      8. I77.77 Dissection of artery of lower extremity

      9. I77.79 Dissection of other specified artery

    9. I77.8 Other specified disorders of arteries and arterioles

      1. I77.81 Aortic ectasia

        Inclusion term(s):

        • Ectasis aorta
        • I77.810 Thoracic aortic ectasia
        • I77.811 Abdominal aortic ectasia
        • I77.812 Thoracoabdominal aortic ectasia
        • I77.819 Aortic ectasia, unspecified site
      2. I77.82 Antineutrophilic cytoplasmic antibody [ANCA] vasculitis

        Inclusion term(s):

        • ANCA associated vasculitis
        • ANCA positive vasculitis
      3. I77.89 Other specified disorders of arteries and arterioles

    10. I77.9 Disorder of arteries and arterioles, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.