I22.2

ICD-10Billable

Subsequent non-ST elevation (NSTEMI) myocardial infarction

Official ICD-10-CM descriptor (FY2026)

Subsequent non-ST elevation (NSTEMI) myocardial infarction

I22.2 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

Subsequent acute subendocardial myocardial infarction
Subsequent non-Q wave myocardial infarction NOS
Subsequent nontransmural myocardial infarction NOS

Related codes in I22

Where this code sits

Chapter: 9. Diseases of the circulatory system (I00-I99)
Block: Ischemic heart diseases (I20-I25)
Parent code: I22

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.