Increased Specificity
When documenting cardiomyopathy, include the following, where appropriate:
1. Type e.g. Dilated/congestive, obstructive or nonobstructive
hypertrophic, etc.
2. Location e.g. Endocarditis, right ventricle, etc.
3. Cause e.g. Congenital, alcohol, etc.
List cardiomyopathy seen in other diseases such as gout, amyloidosis, etc.
ICD-10 Code Examples
I42.0 Dilated cardiomyopathy
I42.1 Obstructive hypertrophic cardiomyopathy
I42.3 Endomyocardial (eosinophilic) disease
HEART VALVE DISEASE
Increased Specificity
ICD-10 assumes heart valve diseases are rheumatic; if this is not the case, notate otherwise.
When documenting heart valve disease, include the following:
1. Cause e.g. Rheumatic or non-rheumatic
2. Type e.g. Prolapse, insufficiency, regurgitation, incompetence, stenosis, etc.
3. Location e.g. Mitral valve, aortic valve, etc.
ICD-10 Code Examples
I06.2 Rheumatic aortic stenosis with insufficiency
I34.1 Nonrheumatic mitral (valve) prolapse
ARRYTHMIAS/DYSRHYTHMIA
Increased Specificity
When documenting arrhythmias, include the following:
1. Location e.g. Atrial, ventricular, supraventricular, etc.
2. Rhythm name e.g. Flutter, fibrillation, type 1 atrial flutter, long QT syndrome, sick sinus
syndrome, etc.
3. Acuity e.g. Acute, chronic, etc.
4. Cause e.g., Hyperkalemia, hypertension, alcohol consumption, digoxin, amiodarone,
verapamil HCl
ICD-10 Code Examples
I48.2 Chronic atrial fibrillation
I49.01 Ventricular fibrillation
