All ICD10 Codes

I22.9

Billable
ChapterI00–I99
Ranksubcategory
Official Description

Subsequent ST elevation (STEMI) myocardial infarction of unspecified site

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

Instructional Notes

Includes
  • Subsequent acute myocardial infarction of unspecified site
  • Subsequent myocardial infarction (acute) NOS
General instructions are available for the parent sections:
View CH9 NotesView I20-I25 NotesView I22 Notes

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
I22.9Subsequent ST elevation (STEMI) myocardial infarction of unspecified siteBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I22.9:

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

This code is grouped within the following Diagnosis Related Group(s) for clinical reimbursement:

DRG 280
Acute Myocardial Infarction, Discharged Alive with MCC
DRG 281
Acute Myocardial Infarction, Discharged Alive with CC
DRG 282
Acute Myocardial Infarction, Discharged Alive without CC/MCC
DRG 283
Acute Myocardial Infarction, Expired with MCC
DRG 284
Acute Myocardial Infarction, Expired with CC
DRG 285
Acute Myocardial Infarction, Expired without CC/MCC

Cross Reference

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