Cardiology · ICD-10-CM

Cardiology ICD-10 codes.

The 26 diagnosis codes a cardiology practice's callers bring most often, as published in the 2025 ICD-10-CM files.

2025 files

Right, left, bilateral and initial-encounter characters change the code; unspecified codes are denied where a specific one exists.

The codes.

ICD-10-CM codes as published in the 2025 files. Laterality, encounter and severity characters change a code's meaning; the practice's coder confirms every code against the current file.

Cardiology ICD-10-CM codes
ICD-10-CMDescription
I10Essential (primary) hypertension
I25.10Atherosclerotic heart disease of native coronary artery without angina pectoris
I25.119Atherosclerotic heart disease of native coronary artery with unspecified angina pectoris
I25.2Old myocardial infarction
I21.4Non-ST elevation (NSTEMI) myocardial infarction
I48.91Unspecified atrial fibrillation
I48.0Paroxysmal atrial fibrillation
I47.10Supraventricular tachycardia, unspecified
I49.9Cardiac arrhythmia, unspecified
I50.9Heart failure, unspecified
I50.22Chronic systolic (congestive) heart failure
I50.32Chronic diastolic (congestive) heart failure
I42.9Cardiomyopathy, unspecified
I35.0Nonrheumatic aortic (valve) stenosis
I34.0Nonrheumatic mitral (valve) insufficiency
E78.5Hyperlipidemia, unspecified
E78.00Pure hypercholesterolemia, unspecified
I73.9Peripheral vascular disease, unspecified
R07.9Chest pain, unspecified
R00.2Palpitations
R55Syncope and collapse
R06.02Shortness of breath
R94.31Abnormal electrocardiogram
Z95.0Presence of cardiac pacemaker
Z95.5Presence of coronary angioplasty implant and graft
Z79.01Long term (current) use of anticoagulants

CPT codes and wRVUsGlobal periodsAll cardiology references

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