ICD-10 Chapter IX: Diseases of the circulatory system

International Statistical Classification of Diseases and Related Health Problems 10th Revision
Chapter	Blocks	Title
I	A00–B99	Certain infectious and parasitic diseases
II	C00–D48	Neoplasms
III	D50–D89	Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
IV	E00–E90	Endocrine, nutritional and metabolic diseases
V	F00–F99	Mental and behavioural disorders
VI	G00–G99	Diseases of the nervous system
VII	H00–H59	Diseases of the eye and adnexa
VIII	H60–H95	Diseases of the ear and mastoid process
IX	I00–I99	Diseases of the circulatory system
X	J00–J99	Diseases of the respiratory system
XI	K00–K93	Diseases of the digestive system
XII	L00–L99	Diseases of the skin and subcutaneous tissue
XIII	M00–M99	Diseases of the musculoskeletal system and connective tissue
XIV	N00–N99	Diseases of the genitourinary system
XV	O00–O99	Pregnancy, childbirth and the puerperium
XVI	P00–P96	Certain conditions originating in the perinatal period
XVII	Q00–Q99	Congenital malformations, deformations and chromosomal abnormalities
XVIII	R00–R99	Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
XIX	S00–T98	Injury, poisoning and certain other consequences of external causes
XX	V01–Y98	External causes of morbidity and mortality
XXI	Z00–Z99	Factors influencing health status and contact with health services
XXII	U00–U99	Codes for special purposes

The International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10) is a coding of diseases and signs, symptoms, abnormal findings, complaints, social circumstances and external causes of injury or diseases, as classified by the World Health Organization (WHO).^[1] This page contains ICD-10 Chapter IX: Diseases of the circulatory system.

I00–I99 – Diseases of the circulatory system

(I00–I02) Acute rheumatic fever

(I00) Rheumatic fever without mention of heart involvement
(I01) Rheumatic fever with heart involvement
- (I01.0) Acute rheumatic pericarditis
- (I01.1) Acute rheumatic endocarditis
- (I01.2) Acute rheumatic myocarditis
- (I01.8) Other acute rheumatic heart disease
- (I01.9) Acute rheumatic heart disease, unspecified
(I02) Rheumatic chorea

(I05–I09) Chronic rheumatic heart diseases

(I05) Rheumatic mitral valve diseases
- (I05.0) Mitral stenosis
- (I05.1) Rheumatic mitral insufficiency
- (I05.2) Mitral stenosis with insufficiency
(I06) Rheumatic aortic valve diseases
- (I06.0) Rheumatic aortic stenosis
- (I06.1) Rheumatic aortic insufficiency
- (I06.2) Rheumatic aortic stenosis with insufficiency
(I07) Rheumatic tricuspid valve diseases
- (I07.0) Tricuspid stenosis
- (I07.1) Tricuspid insufficiency
- (I07.2) Tricuspid stenosis with insufficiency
(I08) Multiple valve diseases
- (I08.0) Disorders of both mitral and aortic valves
- (I08.1) Disorders of both mitral and tricuspid valves
- (I08.2) Disorders of both aortic and tricuspid valves
- (I08.3) Combined disorders of mitral, aortic and tricuspid valves
(I09) Other rheumatic heart diseases
- (I09.0) Rheumatic myocarditis
- (I09.1) Rheumatic diseases of endocardium, valve unspecified
- (I09.2) Chronic rheumatic pericarditis
- (I09.9) Rheumatic heart disease, unspecified

(I10–I15) Hypertensive diseases

(I20–I25) Ischemic heart diseases

(I20) Angina pectoris
- (I20.0) Unstable angina
- (I20.1) Angina pectoris with documented spasm
  - Prinzmetal's angina
- (I20.8) Other forms of angina pectoris
- (I20.9) Angina pectoris, unspecified
(I21) Acute myocardial infarction
(I22) Subsequent myocardial infarction
(I23) Certain current complications following acute myocardial infarction
- (I23.0) Haemopericardium as current complication following acute myocardial infarction
- (I23.1) Atrial septal defect as current complication following acute myocardial infarction
- (I23.2) Ventricular septal defect as current complication following acute myocardial infarction
- (I23.3) Rupture of cardiac wall without haemopericardium as current complication following acute myocardial infarction
- (I23.4) Rupture of chordae tendineae as current complication following acute myocardial infarction
- (I23.5) Rupture of papillary muscle as current complication following acute myocardial infarction
- (I23.6) Thrombosis of atrium, auricular appendage, and ventricle as current complications following acute myocardial infarction
- (I23.8) Other current complications following acute myocardial infarction
(I24) Other acute ischaemic heart diseases
- (I24.0) Coronary thrombosis not resulting in myocardial infarction
- (I24.1) Dressler's syndrome
(I25) Chronic ischaemic heart disease
- (I25.0) Atherosclerotic cardiovascular disease, so described
- (I25.1) Atherosclerotic heart disease
- (I25.2) Old myocardial infarction
- (I25.3) Aneurysm of heart
- (I25.4) Coronary artery aneurysm
- (I25.5) Ischaemic cardiomyopathy
- (I25.6) Silent myocardial ischaemia
- (I25.8) Other forms of chronic ischaemic heart disease
- (I25.9) Chronic ischaemic heart disease, unspecified

(I26–I28) Pulmonary heart disease and diseases of pulmonary circulation

(I26) Pulmonary embolism
(I27) Other pulmonary heart diseases
- (I27.0) Primary pulmonary hypertension
- (I27.1) Kyphoscoliotic heart disease
- (I27.2) Other secondary pulmonary hypertension
- (I27.8) Other specified pulmonary heart diseases
- (I27.9) Pulmonary heart disease, unspecified
(I28) Other diseases of pulmonary vessels
- (I28.0) Arteriovenous fistula of pulmonary vessels
- (I28.1) Aneurysm of pulmonary artery
- (I28.8) Other specified diseases of pulmonary vessels
- (I28.9) Disease of pulmonary vessels, unspecified

(I30–I52) Other forms of heart disease

(I80–I89) Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified

(I80) Phlebitis and thrombophlebitis
- (I80.0) Phlebitis and thrombophlebitis of superficial vessels of lower extremities
- (I80.1) Phlebitis and thrombophlebitis of femoral vein
- (I80.2) Phlebitis and thrombophlebitis of other deep vessels of lower extremities
  - Deep vein thrombosis NOS
(I81) Portal vein thrombosis
(I82) Other venous embolism and venous thrombosis
- (I82.0) Budd-Chiari syndrome
- (I82.1) Thrombophlebitis migrans
- (I82.2) Embolism and thrombosis of vena cava
- (I82.3) Embolism and thrombosis of renal vein
- (I82.8) Embolism and thrombosis of other specified veins
  - Paget-Schroetter disease
(I83) Varicose veins of lower extremities
- (I83.0) Varicose veins of lower extremities with ulcer
  - Varicose ulcer (lower extremity, any part)
- (I83.1) Varicose veins of lower extremities with inflammation
- (I83.2) Varicose veins of lower extremities with both ulcer and inflammation
- (I83.9) Varicose veins of lower extremities without ulcer or inflammation
(I84) Haemorrhoids
- (I84.6) Residual haemorrhoidal skin tags
(I85) Oesophageal varices
(I86) Varicose veins of other sites
- (I86.0) Sublingual varices
- (I86.1) Scrotal varices
  - Varicocele
- (I86.2) Pelvic varices
- (I86.3) Vulval varices
- (I86.4) Gastric varices
- (I86.8) Varicose veins of other specified sites
(I87) Other disorders of veins
- (I87.0) Postphlebitic syndrome
- (I87.1) Compression of vein
  - Superior vena cava syndrome
- (I87.2) Venous insufficiency (chronic)(peripheral)
- (I87.8) Other specified disorders of veins
- (I87.9) Disorder of vein, unspecified
(I88) Nonspecific lymphadenitis
(I89) Other noninfective disorders of lymphatic vessels and lymph nodes
- (I89.0) Lymphoedema, not elsewhere classified
- (I89.1) Lymphangitis
- (I89.8) Other specified noninfective disorders of lymphatic vessels and lymph nodes
- (I89.9) Noninfective disorder of lymphatic vessels and lymph nodes, unspecified

(I95–I99) Other and unspecified disorders of the circulatory system

(I95) Hypotension
- (I95.0) Idiopathic hypotension
- (I95.1) Orthostatic hypotension
- (I95.2) Hypotension due to drugs
- (I95.8) Hypotension, other
- (I95.9) Hypotension, unspecified
(I97) Postprocedural disorders of circulatory system, not elsewhere classified
- (I97.0) Postcardiotomy syndrome
(I98) Other disorders of circulatory system in diseases classified elsewhere
(I99) Other and unspecified disorders of circulatory system

Excludes

Certain conditions originating in the perinatal period (P04-P96)
Certain infectious and parasitic diseases (A00-B99)
Complications of pregnancy, childbirth and the puerperium (O00-O9A)
Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Endocrine, nutritional, and metabolic diseases (E00-E88)
Injury, poisoning and certain other consequences of external causes (S00-T88)
Neoplasms (C00-D49)
Symptoms, signs, and abnormal clinical and laboratory findings, NEC (R00-R94)
Systemic connective tissue disorders (M30-M36)
Transient cerebral ischemic attack an related syndromes (G45.-)

References

↑ WHO | International Classification of Diseases (ICD)

Cardiovascular disease (heart) (I00–I52, 390–429)

Ischaemic

Coronary disease	Coronary artery disease (CAD) Coronary artery aneurysm Coronary artery dissection Coronary thrombosis Coronary vasospasm Myocardial bridge

Active ischemia	Angina pectoris Prinzmetal's angina Stable angina Acute coronary syndrome Myocardial infarction Unstable angina

Sequelae	hours Hibernating myocardium Myocardial stunning days Myocardial rupture weeks Aneurysm of heart / Ventricular aneurysm Dressler syndrome

Layers

Pericardium

Myocardium

Endocardium /
valves

Endocarditis	infective endocarditis Subacute bacterial endocarditis non-infective endocarditis Libman–Sacks endocarditis Nonbacterial thrombotic endocarditis

Valves	mitral regurgitation prolapse stenosis aortic stenosis insufficiency tricuspid stenosis insufficiency pulmonary stenosis insufficiency

Conduction /
arrhythmia

Bradycardia

Tachycardia
(paroxysmal and sinus)

Supraventricular	Atrial Multifocal Junctional AV nodal reentrant Junctional ectopic

Ventricular	Accelerated idioventricular rhythm Catecholaminergic polymorphic Torsades de pointes

Premature contraction

Pre-excitation syndrome

Flutter / fibrillation

Other / ungrouped

Other

Cerebrovascular diseases (G45–G46 and I60–I69, 430–438)

Brain ischemia/
cerebral infarction
(ischemic stroke/TIA)

TACI, PACI	precerebral: Carotid artery stenosis cerebral: MCA ACA Amaurosis fugax Moyamoya disease

POCI	precerebral: Anterior spinal artery syndrome Vertebrobasilar insufficiency Subclavian steal syndrome brainstem: medulla Medial medullary syndrome Lateral medullary syndrome pons Medial pontine syndrome/Foville's Lateral pontine syndrome/Millard-Gubler midbrain Weber's Benedikt Claude's cerebral: PCA Lacunar stroke Dejerine–Roussy syndrome cerebellar

General	cerebral: Cerebral venous sinus thrombosis CADASIL Binswanger's disease Transient global amnesia

Intracranial hemorrhage
(hemorrhagic stroke)

Extra-axial	Epidural Subdural Subarachnoid

Cerebral/Intra-axial	Intraventricular

Brainstem	Duret haemorrhage

Aneurysm

Cerebral aneurysm
- Intracranial berry aneurysm
- Charcot-Bouchard aneurysm

Other/general

Cerebral vasculitis

Cardiovascular disease (vessels) (I70–I99, 440–456)

Arteries, arterioles
and capillaries

Inflammation

Peripheral artery disease

Arteriosclerosis	Atherosclerosis Foam cell Fatty streak Atheroma Intermittent claudication Critical limb ischemia Monckeberg's arteriosclerosis Arteriolosclerosis Hyaline Hyperplastic Cholesterol LDL Oxycholesterol Trans fat

Stenosis	Carotid artery stenosis Renal artery stenosis

Other	Aortoiliac occlusive disease Degos disease Erythromelalgia Fibromuscular dysplasia Raynaud's phenomenon

Aneurysm / dissection /
pseudoaneurysm

Vascular malformation

Vascular nevus

Veins

Inflammation	Phlebitis

Venous thrombosis / Thrombophlebitis	primarily lower limb Deep vein thrombosis abdomen Hepatic veno-occlusive disease Budd–Chiari syndrome May–Thurner syndrome Portal vein thrombosis Renal vein thrombosis upper limb / torso Mondor's disease Paget–Schroetter disease head Cerebral venous sinus thrombosis Post-thrombotic syndrome

Varicose veins	Gastric varices Portacaval anastomosis Caput medusae Esophageal varices Hemorrhoid Varicocele

Other	Chronic venous insufficiency Chronic cerebrospinal venous insufficiency Superior vena cava syndrome Inferior vena cava syndrome Venous ulcer

Arteries or veins

Blood pressure

Hypertension	Hypertensive heart disease Hypertensive emergency Hypertensive nephropathy Essential hypertension Secondary hypertension Renovascular hypertension Benign hypertension Pulmonary hypertension Systolic hypertension White coat hypertension

Hypotension	Orthostatic hypotension

Lymphatic vessel disease (I88–I89, 457)

Lymphatic vessels	Lymphangitis Lymphangiectasia Lymphedema: Primary lymphedema Congenital lymphedema Lymphedema praecox Lymphedema tarda Lymphedema–distichiasis syndrome Milroy's disease Secondary lymphedema Bullous lymphedema Factitial lymphedema Postinflammatory lymphedema Postmastectomy lymphangiosarcoma Waldmann disease

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