ICD-10-CM
Diseases of the circulatory system
Chapter 9, I00-I99. CDC FY2027 file dated June 16, 2026.
License: a US government work, in the public domain (Public Domain Mark 1.0).
Categories
80 categories in this chapter. Open one, or page through every code below.
- 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 STEMI and NSTEMI mocard infrc
- I23Certain current comp fol STEMI and NSTEMI mocard infrc <= 28 day
- 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 disord in dis classd elswhr
- I40Acute myocarditis
- I41Myocarditis in diseases classified elsewhere
44 more categories are in this chapter. Type a code or a term to open one.
Codes
A header groups codes and is not billed. A billable code is one you can report. Listed second marks a billable manifestation code (its CDC title says it is "classified elsewhere"): code the underlying disease or condition first, then this code.
201 to 240 of 1,807
- I26.96Fat embolism of pulmonary artery without acute cor pulmonaleBillable
- I26.99Other pulmonary embolism without acute cor pulmonaleBillable
- I27Other pulmonary heart diseasesHeader
- I27.0Primary pulmonary hypertensionBillable
- I27.1Kyphoscoliotic heart diseaseBillable
- I27.2Other secondary pulmonary hypertensionHeader
- I27.20Pulmonary hypertension, unspecifiedBillable
- I27.21Secondary pulmonary arterial hypertensionBillable
- I27.22Pulmonary hypertension due to left heart diseaseBillable
- I27.23Pulmonary hypertension due to lung diseases and hypoxiaBillable
- I27.24Chronic thromboembolic pulmonary hypertensionBillable
- I27.29Other secondary pulmonary hypertensionBillable
- I27.8Other specified pulmonary heart diseasesHeader
- I27.81Cor pulmonale (chronic)Billable
- I27.82Chronic pulmonary embolismBillable
- I27.83Eisenmenger's syndromeBillable
- I27.84Fontan related circulationHeader
- I27.840Fontan-associated liver disease [FALD]Billable
- I27.841Fontan-associated lymphatic dysfunctionBillable
- I27.848Other Fontan-associated conditionBillable
- I27.849Fontan related circulation, unspecifiedBillable
- I27.89Other specified pulmonary heart diseasesBillable
- I27.9Pulmonary heart disease, unspecifiedBillable
- I28Other diseases of pulmonary vesselsHeader
- I28.0Arteriovenous fistula of pulmonary vesselsBillable
- I28.1Aneurysm of pulmonary arteryBillable
- I28.8Other diseases of pulmonary vesselsBillable
- I28.9Disease of pulmonary vessels, unspecifiedBillable
- I30Acute pericarditisHeader
- I30.0Acute nonspecific idiopathic pericarditisBillable
- I30.1Infective pericarditisBillable
- I30.8Other forms of acute pericarditisBillable
- I30.9Acute pericarditis, unspecifiedBillable
- I31Other diseases of pericardiumHeader
- I31.0Chronic adhesive pericarditisBillable
- I31.1Chronic constrictive pericarditisBillable
- I31.2Hemopericardium, not elsewhere classifiedBillable
- I31.3Pericardial effusion (noninflammatory)Header
- I31.31Malignant pericardial effusion in diseases classd elswhrListed second
- I31.39Other pericardial effusion (noninflammatory)Billable
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