Cardiology Concepts

Hypertension (ICD-9-CM 401.9)

I10 Essential (primary) hypertension

Nonrheumatic Valve Disorders

Aortic Valve Disorders (ICD-9-CM 424.1) 

I35.0 Nonrheumatic aortic (valve) stenosis 

I35.1 Nonrheumatic aortic (valve) insufficiency 

I35.2 Nonrheumatic aortic (valve) stenosis with insufficiency 

I35.8 Other nonrheumatic aortic valve disorders 

I35.9* Nonrheumatic aortic valve disorder, unspecified 

Mitral Valve Disorders (ICD-9-CM 424.0) 

I34.0 Nonrheumatic mitral (valve) insufficiency 

I34.1 Nonrheumatic mitral (valve) prolapse 

I34.2 Nonrheumatic mitral (valve) stenosis 

I34.8 Other nonrheumatic mitral valve disorders 

I34.9* Nonrheumatic mitral valve disorder, unspecified

*Codes with a greater degree of specificity should be considered first.

Selected Atherosclerosis, Ischemia, and Infarction (ICD-9-CM 410.00 to 410.92 Range, 411.1, 412, 413.0, 413.1, 413.9, 414.00 to 414.07 Range, 414.10, 414.11, 414.12, 414.19, 414.2, 414.3, 414.4, 414.8, 414.9, 429.2, 429.5, 429.6, 429.71, 429.79)

I21.01 ST elevation (STEMI) myocardial infarction involving left main coronary artery 

I21.02 ST elevation (STEMI) myocardial infarction involving left anterior descending coronary artery 

I21.09 ST elevation (STEMI) myocardial infarction involving other coronary artery of anterior wall I21.11 ST elevation (STEMI) myocardial infarction involving right coronary artery 

I21.19 ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall I21.21 ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery 

I21.29 ST elevation (STEMI) myocardial infarction involving other sites 

I21.3 ST elevation (STEMI) myocardial infarction of unspecified site 

I21.4 Non-ST elevation (NSTEMI) myocardial infarction 

I22.0 Subsequent ST elevation (STEMI) myocardial infarction of anterior wall 

I22.1 Subsequent ST elevation (STEMI) myocardial infarction of inferior wall 

I22.2 Subsequent non-ST elevation (NSTEMI) myocardial infarction 

I22.8 Subsequent ST elevation (STEMI) myocardial infarction of other sites 

I22.9 Subsequent ST elevation (STEMI) myocardial infarction of unspecified site 

I23.0 Hemopericardium 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 hemopericardium 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