DISEASES OF ARTERIES, ARTERIOLES, AND CAPILLARIES (440-448)

• 440 Atherosclerosis
  • Includes: arteriolosclerosis
    • arteriosclerosis (obliterans) (senile)
    • arteriosclerotic vascular disease
    • atheroma
    • degeneration:
      • arterial
      • arteriovascular
      • vascular
      • endarteritis deformans or obliterans
    • senile:
      • arteritis
      • endarteritis
  • Excludes: atherosclerosis of bypass graft of the extremities (440.30-440.32)
  • 440.0 Of aorta
  • 440.1 Of renal artery
    • Excludes: atherosclerosis of renal arterioles (403.00-403.91)
  • 440.2 Of native arteries of the extremities
    • Excludes: atherosclerosis of bypass graft of the extremities (440.30-440.32)
    • 440.20 Atherosclerosis of the extremities, unspecified
    • 440.21 Atherosclerosis of the extremities with intermittent claudication
    • 440.22 Atherosclerosis of the extremities with rest pain
      • Includes: any condition classifiable to 440.21
    • 440.23 Atherosclerosis of the extremities with ulceration
      • Includes: any condition classifiable to 440.21-440.22
    • 440.24 Atherosclerosis of the extremities with gangrene
      • Includes: any condition classifiable to 440.21, 440.22, and 440.23 with ischemic gangrene 785.4
  • Excludes: gas gangrene 040.0
    • 440.29 Other
    • 440.3 Of bypass graft of the extremities
      • Excludes: atherosclerosis of native artery of the extremity (440.21-440.24)
        • embolism [occlusion NOS] [thrombus] of graft (996.74)
      • 440.30 Of unspecified graft
      • 440.31 Of autologous vein bypass graft
      • 440.32 Of nonautologous vein bypass graft
    • 440.8 Of other specified arteries
      • Excludes: basilar (433.0)
        • carotid (433.1)
        • cerebral (437.0)
        • coronary (414.0)
        • mesenteric (557.1)
        • precerebral (433.0-433.9)
        • pulmonary (416.0)
        • vertebral (433.2)
    • 440.9 Generalized and unspecified atherosclerosis
      • Arteriosclerotic vascular disease NOS
      • Excludes: arteriosclerotic cardiovascular disease [ASCVD] (429.2)
• 441 Aortic aneurysm and dissection
  • Excludes: syphilitic aortic aneurysm (093.0)
    • traumatic aortic aneurysm (901.0, 902.0)
  • 441.0 Dissection of aorta
    • Dissecting aneurysm of aorta (ruptured)
    • 441.00 Unspecified site
    • 441.01 Thoracic
    • 441.02 Abdominal
    • 441.03 Thoracoabdominal
  • 441.1 Thoracic aneurysm, ruptured
  • 441.2 Thoracic aneurysm without mention of rupture
  • 441.3 Abdominal aneurysm, ruptured
  • 441.4 Abdominal aneurysm without mention of rupture
  • 441.5 Aortic aneurysm of unspecified site, ruptured
    • Rupture of aorta NOS
  • 441.6 Thoracoabdominal aneurysm, ruptured
  • 441.7 Thoracoabdominal aneurysm, without mention of rupture
  • 441.9 Aortic aneurysm of unspecified site without mention of rupture
    • Aneurysm
    • Dilatation of aorta
    • Hyaline necrosis of aorta
• 442 Other aneurysm
  • Includes: aneurysm (ruptured) (cirsoid) (false) (varicose)
    • aneurysmal varix
  • Excludes: arteriovenous aneurysm or fistula:
    • acquired (447.0)
    • congenital (747.6)
    • traumatic (900.0-904.9)
  • 442.0 Of artery of upper extremity
  • 442.1 Of renal artery
  • 442.2 Of iliac artery
  • 442.3 Of artery of lower extremity
    • Aneurysm:
      • femoral artery
      • popliteal artery
  • 442.8 Of other specified artery
    • 442.81 Artery of neck
      • Aneurysm of carotid artery (common) (external) (internal)
    • 442.82 Subclavian artery
    • 442.83 Splenic artery
    • 442.84 Other visceral artery
      • Aneurysm:
        • celiac artery
        • gastroduodenal artery
        • gastroepiploic artery
        • hepatic artery
        • pancreaticoduodenal artery
        • superior mesenteric artery
    • 442.89 Other
      • Aneurysm:
        • mediastinal artery
        • spinal artery
      • Excludes: cerebral (nonruptured) (437.3)
        • ruptured (430)
        • coronary (414.11)
        • heart (414.10)
        • pulmonary (417.1)
  • 442.9 Of unspecified site
• 443 Other peripheral vascular disease
  • 443.0 Raynaud's syndrome
    • Raynaud's:
      • disease
      • phenomenon (secondary)
    • Use additional code to identify gangrene (785.4)
  • 443.1 Thromboangiitis obliterans [Buerger's disease]
    • Presenile gangrene
  • 443.8 Other specified peripheral vascular diseases
    • 443.81 Peripheral angiopathy in diseases classified elsewhere
      • Code first underlying disease, as:
        • diabetes mellitus (250.7)
    • 443.89 Other
      • Acrocyanosis
      • Acroparesthesia:
        • simple [Schultze's type]
        • vasomotor [Nothnagel's type]
      • Erythrocyanosis
      • Erythromelalgia
      • Excludes: chilblains (991.5)
        • frostbite (991.0-991.3)
        • immersion foot (991.4)
  • 443.9 Peripheral vascular disease, unspecified
    • Intermittent claudication NOS
    • Peripheral:
      • angiopathy NOS
      • vascular disease NOS
    • Spasm of artery
    • Excludes: atherosclerosis of the arteries of the extremities (440.20-440.22)
      • spasm of cerebral artery (435.0-435.9)
• 444 Arterial embolism and thrombosis
  • Includes: infarction:
    • embolic
    • thrombotic
    • occlusion
  • Excludes: that complicating:
    • abortion (634-638 with .6, 639.6)
    • ectopic or molar pregnancy (639.6)
    • pregnancy, childbirth, or the puerperium (673.0-673.8)
  • 444.0 Of abdominal aorta
    • Aortic bifurcation syndrome
    • Aortoiliac obstruction
    • Leriche's syndrome
    • Saddle embolus
  • 444.1 Of thoracic aorta
    • Embolism or thrombosis of aorta (thoracic)
  • 444.2 Of arteries of the extremities
    • 444.21 Upper extremity
    • 444.22 Lower extremity
      • Arterial embolism or thrombosis:
        • femoral
        • peripheral NOS
        • popliteal
      • Excludes: iliofemoral (444.81)
  • 444.8 Of other specified artery
    • 444.81 Iliac artery
    • 444.89 Other
      • Excludes: basilar (433.0)
        • carotid (433.1)
        • cerebral (434.0-434.9)
        • coronary (410.00-410.92)
        • mesenteric (557.0)
        • ophthalmic (362.30-362.34)
        • precerebral (433.0-433.9)
        • pulmonary (415.1)
        • renal (593.81)
        • retinal (362.30-362.34)
        • vertebral (433.2)
  • 444.9 Of unspecified artery
• 446 Polyarteritis nodosa and allied conditions
  • 446.0 Polyarteritis nodosa
    • Disseminated necrotizing periarteritis
    • Necrotizing angiitis
    • Panarteritis (nodosa)
    • Periarteritis (nodosa)
  • 446.1 Acute febrile mucocutaneous lymph node syndrome [MCLS]
    • Kawasaki disease
  • 446.2 Hypersensitivity angiitis
    • Excludes: antiglomerular basement membrane disease without pulmonary hemorrhage (583.89)
    • 446.20 Hypersensitivity angiitis, unspecified
    • 446.21 Goodpasture's syndrome
      • Antiglomerular basement membrane antibody-mediated nephritis with pulmonary hemorrhage
      • Use additional code to identify renal disease (583.81)
    • 446.29 Other specified hypersensitivity angiitis
  • 446.3 Lethal midline granuloma
    • Malignant granuloma of face
  • 446.4 Wegener's granulomatosis
    • Necrotizing respiratory granulomatosis
    • Wegener's syndrome
  • 446.5 Giant cell arteritis
    • Cranial arteritis
    • Horton's disease
    • Temporal arteritis
  • 446.6 Thrombotic microangiopathy
    • Moschcowitz's syndrome
    • Thrombotic thrombocytopenic purpura
  • 446.7 Takayasu's disease
    • Aortic arch arteritis
    • Pulseless disease
• 447 Other disorders of arteries and arterioles
  • 447.0 Arteriovenous fistula, acquired
    • Arteriovenous aneurysm, acquired
    • Excludes: cerebrovascular (437.3)
      • coronary (414.19)
      • pulmonary (417.0)
      • surgically created arteriovenous shunt or fistula:
        • complication (996.1, 996.61-996.62)
        • status or presence (V45.1)
      • traumatic (900.0-904.9)
  • 447.1 Stricture of artery
  • 447.2 Rupture of artery
    • Erosion of artery
    • Fistula, except arteriovenous of artery
    • Ulcer of artery
    • Excludes: traumatic rupture of artery (900.0-904.9)
  • 447.3 Hyperplasia of renal artery
    • Fibromuscular hyperplasia of renal artery
  • 447.4 Celiac artery compression syndrome
    • Celiac axis syndrome
    • Marable's syndrome
  • 447.5 Necrosis of artery
  • 447.6 Arteritis, unspecified
    • Aortitis NOS
    • Endarteritis NOS
    • Excludes: arteritis, endarteritis:
      • aortic arch (446.7)
      • cerebral (437.4)
      • coronary (414.0)
      • deformans (440.0-440.9)
      • obliterans (440.0-440.9)
      • pulmonary (417.8)
      • senile (440.0-440.9)
      • polyarteritis NOS (446.0)
      • syphilitic aortitis (093.1)
  • 447.8 Other specified disorders of arteries and arterioles
    • Fibromuscular hyperplasia of arteries, except renal
  • 447.9 Unspecified disorders of arteries and arterioles
• 448 Disease of capillaries
  • 448.0 Hereditary hemorrhagic telangiectasia
    • Rendu-Osler-Weber disease
  • 448.1 Nevus, non-neoplastic
    • Nevus:
      • araneus
      • senile
      • spider
      • stellar
    • Excludes: neoplastic (216.0-216.9)
      • port wine (757.32)
      • strawberry (757.32)
  • 448.9 Other and unspecified capillary diseases
    • Capillary:
      • hemorrhage
      • hyperpermeability
      • thrombosis
    • Excludes: capillary fragility (hereditary) (287.8)