I22.1

Billable
ChapterI00–I99
Ranksubcategory
Official Description

Subsequent ST elevation (STEMI) myocardial infarction of inferior wall

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

Instructional Notes

Includes
  • Subsequent acute transmural myocardial infarction of inferior wall
  • Subsequent transmural (Q wave) infarction (acute)(of) diaphragmatic wall
  • Subsequent transmural (Q wave) infarction (acute)(of) inferior (wall) NOS
  • Subsequent inferolateral transmural (Q wave) infarction (acute)
  • Subsequent inferoposterior transmural (Q wave) infarction (acute)
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I20-I25Ischemic heart diseases (I20-I25)
I22Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
I22.1Subsequent ST elevation (STEMI) myocardial infarction of inferior wallBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I22.1:

categoryI22
Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
View context instructions
blockI20-I25
Ischemic heart diseases (I20-I25)
View context instructions
chapterCH9
Diseases of the circulatory system (I00-I99)
View context instructions

MS-DRG Classification

2026 v43.1

Cross Reference

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