I22.1
Subsequent ST elevation (STEMI) myocardial infarction of inferior wall
- Release
- FY 2027
- Effective
Hierarchy
Where I22.1 sits in the official hierarchy. Each level is the code it is classified under.
- I22 Parent Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
- I22.1 This code Subsequent ST elevation (STEMI) myocardial infarction of inferior wall
Official Coding Notes
Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.
Includes
acute myocardial infarction occurring within four weeks (28 days) of a previous acute myocardial infarction, regardless of site
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Includes
cardiac infarction
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Includes
coronary (artery) embolism
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Includes
coronary (artery) occlusion
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Includes
coronary (artery) rupture
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Includes
coronary (artery) thrombosis
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Includes
infarction of heart, myocardium, or ventricle
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Includes
recurrent myocardial infarction
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Includes
reinfarction of myocardium
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Includes
rupture of heart, myocardium, or ventricle
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Includes
subsequent type 1 myocardial infarction
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Inclusion Terms
Subsequent acute transmural myocardial infarction of inferior wall
Inclusion Terms
Subsequent transmural (Q wave) infarction (acute)(of) diaphragmatic wall
Inclusion Terms
Subsequent transmural (Q wave) infarction (acute)(of) inferior (wall) NOS
Inclusion Terms
Subsequent inferolateral transmural (Q wave) infarction (acute)
Inclusion Terms
Subsequent inferoposterior transmural (Q wave) infarction (acute)
Use Additional Code
code, if applicable, to identify:
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Use Additional Code
exposure to environmental tobacco smoke ( Z77.22 )
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Use Additional Code
history of tobacco dependence ( Z87.891 )
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Use Additional Code
occupational exposure to environmental tobacco smoke ( Z57.31 )
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Use Additional Code
status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility ( Z92.82 )
Inherited from I22 — Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Version History
How I22.1 appears in each release imported from the official files, newest first.
-
FY 2027 Effective
CurrentSubsequent ST elevation (STEMI) myocardial infarction of inferior wall
-
FY 2026 Effective
UnchangedSubsequent ST elevation (STEMI) myocardial infarction of inferior wall
Related Codes
Other codes under I22
- I22.0 Subsequent ST elevation (STEMI) myocardial infarction of anterior wall Billable
- I22.2 Subsequent non-ST elevation (NSTEMI) myocardial infarction Billable
- I22.8 Subsequent ST elevation (STEMI) myocardial infarction of other sites Billable
- I22.9 Subsequent ST elevation (STEMI) myocardial infarction of unspecified site Billable
Data Source
Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.
- Release
- FY 2027
- Effective
- Source file
- icd10cm-code-descriptions-2027.zip
Official ICD-10-CM source files (opens in a new tab)
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