Chapter IX
Diseases of the circulatory system
(I00-I99)

Rules Conventions GCS

Diseases of arteries, arterioles and capillaries
(I70-I79)

I70 Atherosclerosis
DCS.IX.14

Modifier-Hint
Incl.:
arteriolosclerosis
arteriosclerosis
arteriosclerotic vascular disease
atheroma
degeneration:
  • arterial
  • arteriovascular
  • vascular
endarteritis deformans or obliterans
senile:
  • arteritis
  • endarteritis
Excl.:
cerebral ( I67.2)
coronary ( I25.1)
mesenteric ( K55.1)
pulmonary ( I27.0)
Modifiers
The following supplementary classification to indicate the presence or absence of gangrene is provided for optional use with appropriate subcategories in I70.
Code Title
0
without gangrene
1
with gangrene
I70.0 Atherosclerosis of aorta
I70.1 Atherosclerosis of renal artery
Incl.:
Goldblatt kidney
Excl.:
atherosclerosis of renal arterioles ( I12.-)
I70.2 Atherosclerosis of arteries of extremities
Incl.:
Atherosclerotic gangrene
Mönckeberg (medial) sclerosis
I70.8 Atherosclerosis of other arteries
I70.9 Generalized and unspecified atherosclerosis

I71 Aortic aneurysm and dissection

I71.0 Dissection of aorta [any part]
Incl.:
Dissecting aneurysm of aorta (ruptured) [any part]
I71.1 Thoracic aortic aneurysm, ruptured
I71.2 Thoracic aortic aneurysm, without mention of rupture
I71.3 Abdominal aortic aneurysm, ruptured
I71.4 Abdominal aortic aneurysm, without mention of rupture
I71.5 Thoracoabdominal aortic aneurysm, ruptured
I71.6 Thoracoabdominal aortic aneurysm, without mention of rupture
I71.8 Aortic aneurysm of unspecified site, ruptured
Incl.:
Rupture of aorta NOS
I71.9 Aortic aneurysm of unspecified site, without mention of rupture
Incl.:
  • Aneurysm
  • Dilatation
  • Hyaline necrosis
  • of aorta

I72 Other aneurysm and dissection

Incl.:
aneurysm (cirsoid)(false)(ruptured)
Excl.:
aneurysm (of):
dissection of:
  • coronary artery (I25.4)
  • precerebral artery, congenital (nonruptured) (Q28.1)
I72.0 Aneurysm and dissection of carotid artery
I72.1 Aneurysm and dissection of artery of upper extremity
I72.2 Aneurysm and dissection of renal artery
I72.3 Aneurysm and dissection of iliac artery
I72.4 Aneurysm and dissection of artery of lower extremity
I72.5 Aneurysm and dissection of other precerebral arteries
Incl.:
Aneurysm and dissection of basilar artery (trunk)
Excl.:
aneurysm and dissection of :
I72.6 Aneurysm and dissection of vertebral artery
I72.8 Aneurysm and dissection of other specified arteries
I72.9 Aneurysm and dissection of unspecified site

I73 Other peripheral vascular diseases

Excl.:
chilblains ( T69.1)
frostbite ( T33-T35)
immersion hand or foot ( T69.0)
spasm of cerebral artery ( G45.9)
I73.0 Raynaud syndrome
Incl.:
Raynaud:
  • disease
  • gangrene
  • phenomenon (secondary)
I73.1 Thromboangiitis obliterans [Buerger]
I73.8 Other specified peripheral vascular diseases
Incl.:
Acrocyanosis
Acroparaesthesia:
  • simple [Schultze type]
  • vasomotor [Nothnagel type]
Erythrocyanosis
Erythromelalgia
I73.9 Peripheral vascular disease, unspecified
DCS.IX.15
Incl.:
Intermittent claudication
Spasm of artery

I74 Arterial embolism and thrombosis

Incl.:
infarction:
  • embolic
  • thrombotic
occlusion:
  • embolic
  • thrombotic
Excl.:
embolism and thrombosis:
I74.0 Embolism and thrombosis of abdominal aorta
Incl.:
Aortic bifurcation syndrome
Leriche syndrome
I74.1 Embolism and thrombosis of other and unspecified parts of aorta
I74.2 Embolism and thrombosis of arteries of upper extremities
I74.3 Embolism and thrombosis of arteries of lower extremities
I74.4 Embolism and thrombosis of arteries of extremities, unspecified
Incl.:
Peripheral arterial embolism
I74.5 Embolism and thrombosis of iliac artery
I74.8 Embolism and thrombosis of other arteries
I74.9 Embolism and thrombosis of unspecified artery

I77 Other disorders of arteries and arterioles

Excl.:
collagen (vascular) diseases ( M30-M36)
hypersensitivity angiitis ( M31.0)
pulmonary artery ( I28.-)
I77.0 Arteriovenous fistula, acquired
Incl.:
Aneurysmal varix
Arteriovenous aneurysm, acquired
Excl.:
arteriovenous aneurysm NOS ( Q27.3)
cerebral ( I67.1)
coronary ( I25.4)
traumatic - see injury of blood vessel by body region.
I77.1 Stricture of artery
I77.2 Rupture of artery
Incl.:
Fistula of artery
Excl.:
traumatic rupture of artery - see injury of blood vessel by body region.
I77.3 Arterial fibromuscular dysplasia
I77.4 Coeliac artery compression syndrome
I77.5 Necrosis of artery
I77.6 Arteritis, unspecified
Incl.:
Aortitis NOS
Endarteritis NOS
Excl.:
arteritis or endarteritis:
I77.8 Other specified disorders of arteries and arterioles
Incl.:
  • Erosion
  • Ulcer
  • of artery
I77.9 Disorder of arteries and arterioles, unspecified

I78 Diseases of capillaries

I78.0 Hereditary haemorrhagic telangiectasia
Incl.:
Rendu-Osler-Weber disease
I78.1 Naevus, non-neoplastic
Incl.:
Naevus:
  • araneus
  • spider
  • stellar
Excl.:
naevus:
I78.8 Other diseases of capillaries
I78.9 Disease of capillaries, unspecified

I79* Disorders of arteries, arterioles and capillaries in diseases classified elsewhere

I79.0* Aneurysm of aorta in diseases classified elsewhere
Incl.:
Syphilitic aneurysm of aorta ( A52.0†)
I79.1* Aortitis in diseases classified elsewhere
Incl.:
Syphilitic aortitis ( A52.0†)
I79.2* Peripheral angiopathy in diseases classified elsewhere
Incl.:
Diabetic peripheral angiopathy ( E10-E14 with common fourth character .5†)
I79.8* Other disorders of arteries, arterioles and capillaries in diseases classified elsewhere