What is the ICD-10 code for Non-ischemic myocardial injury (non-traumatic)?

The ICD-10-CM code for Non-ischemic myocardial injury (non-traumatic) is I5A (fiscal year 2026). It is a billable diagnosis code.

What does ICD-10 code I5A mean?

I5A is the ICD-10-CM diagnosis code for Non-ischemic myocardial injury (non-traumatic). Non-ischemic myocardial injury (non-traumatic)

Is I5A a billable ICD-10 code?

Yes, I5A is a billable ICD-10-CM code that can be used on medical claims.

What chapter is I5A in?

I5A is classified under Chapter 9: Diseases of the circulatory system (I00-I99), Section I30-I5A: Other forms of heart disease (I30-I5A).

What are the includes and excludes for I5A?

Excludes1 (not coded here): acute myocardial infarction (I21.-); injury of heart (S26.-). Excludes2 (not included here): other acute ischemic heart diseases (I24.-).

I5A Non-ischemic myocardial injury (non-traumatic)

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The ICD-10-CM code for Non-ischemic myocardial injury (non-traumatic) is I5A (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter: 9: Diseases of the circulatory system (I00-I99)
Section: I30-I5A: Other forms of heart disease (I30-I5A)
Category I5A: 1 code (1 billable)
FY2026 Status: Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to I5A:

Injury › myocardial (acute) (chronic) (non-ischemic) (non-traumatic)
Injury › heart (traumatic) › non-traumatic (acute) (chronic) (non-ischemic)

Excludes1

Not coded here. These conditions should NOT be coded together with I5A.

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

Excludes2

Not included here. These conditions are coded elsewhere but may be coded together if applicable.

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)

Inclusion Terms

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

U.S. Hospital Utilization

An estimated 119,440 U.S. inpatient stays in 2023 included I5A among the documented diagnoses.
1,160 stays listed it as the principal diagnosis.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.