I5A

Billable
ChapterI00–I99
Rankcategory
Official Description

Non-ischemic myocardial injury (non-traumatic)

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 9: Diseases of the Circulatory System (I00-I99).

CH9 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Instructional Notes

Includes
  • Acute (non-ischemic) myocardial injury
  • Chronic (non-ischemic) myocardial injury
  • Unspecified (non-ischemic) myocardial injury
Excludes1(Not coded here. Use a different code.)
  • acute myocardial infarction (I21.-)
  • injury of heart (S26.-)
Excludes2(Not included here. Code separately 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)

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I30-I5AOther forms of heart disease (I30-I5A)
I5ANon-ischemic myocardial injury (non-traumatic)Billable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I5A:

chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

Code History

  • FY 2021: This code replaced I21.A9 (Other myocardial infarction type)

MS-DRG Classification

2026 v43.1

Cross Reference

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