ICD-10-CM chapter 9
I00-I99: Diseases of the circulatory system
This chapter has 80 categories and 1,433 billable codes in the 2027 code set. Choose a category to see every code in it.
Categories
- I00Rheumatic fever without heart involvement
- I01Rheumatic fever with heart involvement
- I02Rheumatic chorea
- I05Rheumatic mitral valve diseases
- I06Rheumatic aortic valve diseases
- I07Rheumatic tricuspid valve diseases
- I08Multiple valve diseases
- I09Other rheumatic heart diseases
- I10Essential (primary) hypertension
- I11Hypertensive heart disease
- I12Hypertensive chronic kidney disease
- I13Hypertensive heart and chronic kidney disease
- I15Secondary hypertension
- I16Hypertensive crisis
- I1AOther hypertension
- I20Angina pectoris
- I21Acute myocardial infarction
- I22Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
- I23Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)
- I24Other acute ischemic heart diseases
- I25Chronic ischemic heart disease
- I26Pulmonary embolism
- I27Other pulmonary heart diseases
- I28Other diseases of pulmonary vessels
- I30Acute pericarditis
- I31Other diseases of pericardium
- I32Pericarditis in diseases classified elsewhere
- I33Acute and subacute endocarditis
- I34Nonrheumatic mitral valve disorders
- I35Nonrheumatic aortic valve disorders
- I36Nonrheumatic tricuspid valve disorders
- I37Nonrheumatic pulmonary valve disorders
- I38Endocarditis, valve unspecified
- I39Endocarditis and heart valve disorders in diseases classified elsewhere
- I40Acute myocarditis
- I41Myocarditis in diseases classified elsewhere
- I42Cardiomyopathy
- I43Cardiomyopathy in diseases classified elsewhere
- I44Atrioventricular and left bundle-branch block
- I45Other conduction disorders
- I46Cardiac arrest
- I47Paroxysmal tachycardia
- I48Atrial fibrillation and flutter
- I49Other cardiac arrhythmias
- I50Heart failure
- I51Complications and ill-defined descriptions of heart disease
- I52Other heart disorders in diseases classified elsewhere
- I5ANon-ischemic myocardial injury (non-traumatic)
- I60Nontraumatic subarachnoid hemorrhage
- I61Nontraumatic intracerebral hemorrhage
- I62Other and unspecified nontraumatic intracranial hemorrhage
- I63Cerebral infarction
- I65Occlusion and stenosis of precerebral arteries, not resulting in cerebral infarction
- I66Occlusion and stenosis of cerebral arteries, not resulting in cerebral infarction
- I67Other cerebrovascular diseases
- I68Cerebrovascular disorders in diseases classified elsewhere
- I69Sequelae of cerebrovascular disease
- I70Atherosclerosis
- I71Aortic aneurysm and dissection
- I72Other aneurysm
- I73Other peripheral vascular diseases
- I74Arterial embolism and thrombosis
- I75Atheroembolism
- I76Septic arterial embolism
- I77Other disorders of arteries and arterioles
- I78Diseases of capillaries
- I79Disorders of arteries, arterioles and capillaries in diseases classified elsewhere
- I80Phlebitis and thrombophlebitis
- I81Portal vein thrombosis
- I82Other venous embolism and thrombosis
- I83Varicose veins of lower extremities
- I85Esophageal varices
- I86Varicose veins of other sites
- I87Other disorders of veins
- I88Nonspecific lymphadenitis
- I89Other noninfective disorders of lymphatic vessels and lymph nodes
- I95Hypotension
- I96Gangrene, not elsewhere classified
- I97Intraoperative and postprocedural complications and disorders of circulatory system, not elsewhere classified
- I99Other and unspecified disorders of circulatory system