Emergency: 119
AMDA-IMIC

I5A Non-ischemic myocardial injury (non-traumatic)

Billable

Block: Other forms of heart disease (I30-I5A)

Includes

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

Excludes 1 (cannot be coded together)

  • acute myocardial infarction (I21.-)
  • injury of heart (S26.-)

Excludes 2 (not included here)

  • 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)
✓
This category is a complete, billable diagnosis code.

No additional specificity is required — submit I5A directly on claims and documentation without a subcode extension.

Last reviewed: September 2026