I5A

ICD-10Billable

Non-ischemic myocardial injury (non-traumatic)

Official ICD-10-CM descriptor (FY2026)

Non-ischemic myocardial injury (non-traumatic)

I5A is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

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

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

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

Excludes2

Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.

  • other acute ischemic heart diseases (I24.-)

Code first

Sequence the underlying condition before this code.

  • 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)

Where this code sits

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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