I5A Non-ischemic myocardial injury (non-traumatic)

Acute (non-ischemic) myocardial injury
Chronic (non-ischemic) myocardial injury
Unspecified (non-ischemic) myocardial injury

Excludes1: acute myocardial infarction (I21.-)
injury of heart (S26.-)
Excludes2: other acute ischemic heart diseases (I24.-)

Code first: the underlying cause, if known and applicable, such as:
acute kidney failure (N17.-)
acute myocarditis (I40.-)
cardiomyopathy (I42.-)
chronic kidney disease (CKD) (N18.-)
heart failure (I50.-)
hypertensive urgency (I16.0)
nonrheumatic aortic valve disorders (I35.-)
paroxysmal tachycardia (I47.-)
pulmonary embolism (I26.-)
pulmonary hypertension (I27.0, I27.2-)
sepsis (A41.-)
takotsubo syndrome (I51.81)