All ICD10 Codes

I21.2

Non-Billable
ChapterI00–I99
Ranksubcategory
Official Description

ST elevation (STEMI) myocardial infarction of other sites

Use a more specific code (2 billable)
I21.21ST elevation (STEMI) myocardial infarction involving left circumflex coronary arteryI21.29ST elevation (STEMI) myocardial infarction involving other sites
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 9: Diseases of the Circulatory System (I00-I99).

Instructional Notes

Includes
  • Type 1 ST elevation myocardial infarction of other sites
General instructions are available for the parent sections:
View CH9 NotesView I20-I25 NotesView I21 Notes

Clinical Hierarchy

BillableHas subcodes
CH9Diseases of the circulatory system (I00-I99)
I20-I25Ischemic heart diseases (I20-I25)
I21Acute myocardial infarction
I21.2ST elevation (STEMI) myocardial infarction of other sitesNot billable
I21.21ST elevation (STEMI) myocardial infarction involving left circumflex coronary arteryBillable
I21.29ST elevation (STEMI) myocardial infarction involving other sitesBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to I21.2:

categoryI21
Acute 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

No direct MS-DRG triggers identified.

Cross Reference

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