ICD10BillableValid for clinical use
ICD-10 Code I5A: Non-ischemic myocardial injury (non-traumatic)
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the circulatory system (I00-I99).
When is it used?
- May be used when a clinician documents non-ischemic myocardial injury (non-traumatic) in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
9Diseases of the circulatory system (I00-I99)
block
I30-I5AOther forms of heart disease
currentI30-I5A
Official coding notes
Inclusion terms
- Acute (non-ischemic) myocardial injury
- Chronic (non-ischemic) myocardial injury
- Unspecified (non-ischemic) myocardial injury
Applicable to
- 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)
Excludes1 (do not code together)
- acute myocardial infarction (I21.-)
- injury of heart (S26.-)
Excludes2 (may code together if documented)
- 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)
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
CardiologistGeneral PhysicianOrthopedic Specialist
Related codes
I30Acute pericarditiscategoryI31Other diseases of pericardiumcategoryI32Pericarditis in diseases classified elsewherecodeI33Acute and subacute endocarditiscategoryI34Nonrheumatic mitral valve disorderscategoryI35Nonrheumatic aortic valve disorderscategoryI36Nonrheumatic tricuspid valve disorderscategoryI37Nonrheumatic pulmonary valve disorderscategoryI38Endocarditis, valve unspecifiedcodeI39Endocarditis and heart valve disorders in diseases classified elsewherecodeI40Acute myocarditiscategoryI41Myocarditis in diseases classified elsewherecode
Sibling codes
I30Acute pericarditisI31Other diseases of pericardiumI32Pericarditis in diseases classified elsewherebillableI33Acute and subacute endocarditisI34Nonrheumatic mitral valve disordersI35Nonrheumatic aortic valve disordersI36Nonrheumatic tricuspid valve disordersI37Nonrheumatic pulmonary valve disordersI38Endocarditis, valve unspecifiedbillableI39Endocarditis and heart valve disorders in diseases classified elsewherebillableI40Acute myocarditisI41Myocarditis in diseases classified elsewherebillableI42CardiomyopathyI43Cardiomyopathy in diseases classified elsewherebillableI44Atrioventricular and left bundle-branch blockI45Other conduction disordersI46Cardiac arrestI47Paroxysmal tachycardiaI48Atrial fibrillation and flutterI49Other cardiac arrhythmiasI50Heart failureI51Complications and ill-defined descriptions of heart diseaseI52Other heart disorders in diseases classified elsewherebillable
Coverage-related procedures and services
CPT 0937Thigh
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR GREATER THAN 15 DAYS UP TO 30 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; INCLUDING RECORDING, SCANNING ANALYSIS WITH REPORT, REVIEW AND INTERPRETATION BY A PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL
Source: CMS coverage guidance
CPT 0938Thigh
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR GREATER THAN 15 DAYS UP TO 30 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; RECORDING (INCLUDING CONNECTION AND INITIAL RECORDING)
Source: CMS coverage guidance
CPT 0940Thigh
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR GREATER THAN 15 DAYS UP TO 30 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; REVIEW AND INTERPRETATION BY A PHYSICIAN OR OTHER QUALIFIED HEALTH CARE PROFESSIONAL
Source: CMS coverage guidance
CPT 0939Thigh
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR GREATER THAN 15 DAYS UP TO 30 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; SCANNING ANALYSIS WITH REPORT
Source: CMS coverage guidance
CPT 93241high
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR MORE THAN 48 HOURS UP TO 7 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; INCLUDES RECORDING, SCANNING ANALYSIS WITH REPORT, REVIEW AND INTERPRETATION
Source: CMS coverage guidance
CPT 93242high
EXTERNAL ELECTROCARDIOGRAPHIC RECORDING FOR MORE THAN 48 HOURS UP TO 7 DAYS BY CONTINUOUS RHYTHM RECORDING AND STORAGE; RECORDING (INCLUDES CONNECTION AND INITIAL RECORDING)
Source: CMS coverage guidance
Coding guidelines
Common synonyms
Non-ischemic myocardial injury (non-traumatic)Non-ischemic myocardial injuryNon-ischemic myocardial injury non-traumatic
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.