I22.8

Billable

Subsequent ST elevation (STEMI) myocardial infarction of other sites

I22.8 is the ICD-10-CM code for Subsequent ST elevation (STEMI) myocardial infarction of other sites. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
I00-I99
Parent
I22
Edition
FY2026

I00-I99 Diseases of the circulatory system

Includes

  • Subsequent acute transmural myocardial infarction of other sites
  • Subsequent apical-lateral transmural (Q wave) myocardial infarction (acute)
  • Subsequent basal-lateral transmural (Q wave) myocardial infarction (acute)
  • Subsequent high lateral transmural (Q wave) myocardial infarction (acute)
  • Subsequent transmural (Q wave) myocardial infarction (acute)(of) lateral (wall) NOS
  • Subsequent posterior (true) transmural (Q wave) myocardial infarction (acute)
  • Subsequent posterobasal transmural (Q wave) myocardial infarction (acute)
  • Subsequent posterolateral transmural (Q wave) myocardial infarction (acute)
  • Subsequent posteroseptal transmural (Q wave) myocardial infarction (acute)
  • Subsequent septal NOS transmural (Q wave) myocardial infarction (acute)

Frequently asked questions

What is ICD-10 code I22.8?
I22.8 is the ICD-10-CM code for "Subsequent ST elevation (STEMI) myocardial infarction of other sites". It falls under I00-I99 Diseases of the circulatory system.
Is I22.8 a billable code?
Yes — I22.8 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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