Subsequent ST elevation (STEMI) myocardial infarction of inferior wall
- I22.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Subsequent STEMI of inferior wall
- The 2025 edition of ICD-10-CM I22.1 became effective on October 1, 2024.
- This is the American ICD-10-CM version of I22.1 – other international versions of ICD-10 I22.1 may differ.
Applicable To
- 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)
The following code(s) above I22.1 contain annotation back-references
that may be applicable to I22.1:
- I00-I99 Diseases of the circulatory system
- I20-I25 Ischemic heart diseases
- I22 Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Approximate Synonyms
- Subseq st elevation mi, inferior wall, within 4 wks of previous mi
- Subseq st elevation mi, inferolateral wall, within 4 wks of previous mi
- Subseq st elevation mi, inferoposterior wall, within 4 wks of previous mi
- Subsequent heart attack, inferior wall, within 4 weeks of previous heart attack
- Subsequent heart attack, inferolateral wall, within 4 weeks of previous heart attack
- Subsequent heart attack, inferoposterior wall, within 4 weeks of previous heart attack
- Subsequent heart attack, within 4 weeks of previous heart attack
- Subsequent non-st elevation myocardial infarction, within 4 weeks of previous myocardial infarction
- Subsequent st elevation inferior wall myocardial infarction, within 4 weeks of previous myocardial infarction
- Subsequent st elevation inferolateral wall myocardial infarction, within 4 weeks of previous myocardial infarction
- Subsequent st elevation inferoposterior wall myocardial infarction, within 4 weeks of previous myocardial infarction
- Subsequent st segment elevation myocardial infarction of inferior wall
- Subsequent st segment elevation myocardial infarction of inferolateral wall
- Subsequent st segment elevation myocardial infarction of inferoposterior wall
ICD-10-CM I22.1 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):
- 280 Acute myocardial infarction, discharged alive with mcc
- 281 Acute myocardial infarction, discharged alive with cc
- 282 Acute myocardial infarction, discharged alive without cc/mcc
- 283 Acute myocardial infarction, expired with mcc
- 284 Acute myocardial infarction, expired with cc
- 285 Acute myocardial infarction, expired without cc/mcc
Convert I22.1 to ICD-9-CMCode History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
- 2024 (effective 10/1/2023): No change
- 2025 (effective 10/1/2024): No change
Diagnosis Index entries containing back-references to I22.1:
- Infarct, infarction
- myocardium, myocardial (acute) (with stated duration of 4 weeks or less) I21.9
- ST elevation (STEMI) I21.3
- subsequent (recurrent) (reinfarction) I22.9
- ST elevationI22.9
- inferior I22.1 (diaphragmatic) (inferolateral) (inferoposterior) (wall)
- transmuralI22.9
- diaphragmatic I22.1 (wall)
- inferior I22.1 (diaphragmatic) (inferolateral) (inferoposterior) (wall)
- ST elevationI22.9
- myocardium, myocardial (acute) (with stated duration of 4 weeks or less) I21.9