10ICD Code Hub

I22.8

Billable code

Subsequent ST elevation (STEMI) myocardial infarction of other sites

The ICD-10 code for subsequent st elevation (stemi) myocardial infarction of other sites is I22.8.

Clinical notes

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • 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)

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

I22.8 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.