I22.8 SUBSEQUENT STEMI OF SITES

Code Information

  • Diagnosis Code: I22.8
  • Short Description: Subsequent STEMI of sites
  • Long Description: Subsequent ST elevation (STEMI) myocardial infarction of other sites
  • Code Version: 2025 ICD-10-CM

The code I22.8 is VALID for claim submission

Code Classification

Diagnostic Related Group(s)

The code I22.8 is grouped in the following Diagnostic Related Group(s) MS-DRG V43.0

  1. Acute Myocardial Infarction, Discharged Alive With Mcc (280)
  2. Acute Myocardial Infarction, Discharged Alive With Cc (281)
  3. Acute Myocardial Infarction, Discharged Alive Without Cc/mcc (282)
  4. Acute Myocardial Infarction, Expired With Mcc (283)
  5. Acute Myocardial Infarction, Expired With Cc (284)
  6. Acute Myocardial Infarction, Expired Without Cc/mcc (285)

References to Index of Diseases and Injuries

The code I22.8 has the following ICD-10-CM references to the Index of Diseases and Injuries

  • Inclusion Terms:
    • 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)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
I22.8 Right Arrow 410.51 AMI lateral NEC, initial
410.61 True post infarct, init
410.81 AMI NEC, initial
This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
I22 Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
I22.0 Subsequent ST elevation (STEMI) myocardial infarction of anterior wall
I22.1 Subsequent ST elevation (STEMI) myocardial infarction of inferior wall
I22.2 Subsequent non-ST elevation (NSTEMI) myocardial infarction
I22.9 Subsequent ST elevation (STEMI) myocardial infarction of unspecified site
This page was last updated on: 10/1/2025
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