Diagnosis Code

I22.1 SUBSEQUENT STEMI OF INFERIOR WALL


Code Information

Diagnosis Code: I22.1

Short Description: Subsequent STEMI of inferior wall

Long Description: Subsequent ST elevation (STEMI) myocardial infarction of inferior wall

The code I22.1 is VALID for claim submission

Code Classification:

  • Diseases of the circulatory system (I00–I99)
    • Ischemic heart diseases (I20-I25)
      • Subsequent STEMI & NSTEMI mocard infrc (I22)
        • I22.1 Subsequent STEMI of inferior wall

Code Version: 2022 ICD-10-CM


Synonyms

  • Subsequent myocardial infarction
  • Subsequent myocardial infarction
  • Subsequent myocardial infarction of inferior wall
  • Subsequent ST segment elevation myocardial infarction
  • Subsequent ST segment elevation myocardial infarction of inferior wall

Diagnostic Related Group(s)

The code I22.1 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Acute Myocardial Infarction, Discharged Alive With Mcc (280)
  • Acute Myocardial Infarction, Discharged Alive With Cc (281)
  • Acute Myocardial Infarction, Discharged Alive Without Cc/mcc (282)
  • Acute Myocardial Infarction, Expired With Mcc (283)
  • Acute Myocardial Infarction, Expired With Cc (284)
  • Acute Myocardial Infarction, Expired Without Cc/mcc (285)

References to Index of Diseases and Injuries

The code I22.1 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Subsequent acute transmural myocardial infarction of inferior wall
    • Subsequent transmural (Q wave) infarction (acute)(of) diaphragmatic wall
    • Subsequent transmural (Q wave) infarction (acute)(of) inferior (wall) NOS
    • Subsequent inferolateral transmural (Q wave) infarction (acute)
    • Subsequent inferoposterior transmural (Q wave) infarction (acute)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
I22.1 Right Arrow 410.21 AMI inferolateral, init
410.31 AMI inferopost, initial
410.41 AMI inferior wall, init

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
I22.2 Subsequent non-ST elevation (NSTEMI) myocardial infarction
I22.8 Subsequent ST elevation (STEMI) myocardial infarction of other sites
I22.9 Subsequent ST elevation (STEMI) myocardial infarction of unspecified site


This page was last updated on: 10/1/2023