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ICD-10-CM Codes
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I00-I99
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I20-I25
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I22-
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2023 ICD-10-CM Diagnosis Code I22.1
2023 ICD-10-CM Diagnosis Code I22.1
Subsequent ST elevation (STEMI) myocardial infarction of inferior wall
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- 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 2023 edition of ICD-10-CM I22.1 became effective on October 1, 2022.
- 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
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
I22.1:
- I00-I99
2023 ICD-10-CM Range I00-I99
Diseases of the circulatory systemType 2 Excludes- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
- I20-I25
2023 ICD-10-CM Range I20-I25
Ischemic heart diseasesCode Also- the presence of hypertension (I10-I16)
- I22
ICD-10-CM Diagnosis Code I22
Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
2016 2017 2018 2019 2020 2021 2022 2023 Non-Billable/Non-Specific Code
Includes- acute myocardial infarction occurring within four weeks (28 days) of a previous acute myocardial infarction, regardless of site
- cardiac infarction
- coronary (artery) embolism
- coronary (artery) occlusion
- coronary (artery) rupture
- coronary (artery) thrombosis
- infarction of heart, myocardium, or ventricle
- recurrent myocardial infarction
- reinfarction of myocardium
- rupture of heart, myocardium, or ventricle
- subsequent type 1 myocardial infarction
Type 1 Excludes- subsequent myocardial infarction, type 2 (I21.A1)
- subsequent myocardial infarction of other type (type 3) (type 4) (type 5) (I21.A9)
Use Additional- code, if applicable, to identify:
- exposure to environmental tobacco smoke (Z77.22)
- history of tobacco dependence (Z87.891)
- occupational exposure to environmental tobacco smoke (Z57.31)
- status post administration of tPA (rtPA) in a different facility within the last 24 hours prior to admission to current facility (Z92.82)
- tobacco dependence (F17.-)
- tobacco use (Z72.0)
- 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 v40.0):
- 222 Cardiac defibrillator implant with cardiac catheterization with ami, hf or shock with mcc
- 223 Cardiac defibrillator implant with cardiac catheterization with ami, hf or shock without mcc
- 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-CM
Code 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
- Infarct, infarction
- myocardium, myocardial (acute) (with stated duration of 4 weeks or less) I21.9
ICD-10-CM Diagnosis Code I21.9
Acute myocardial infarction, unspecified
2018 - New Code 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Myocardial infarction (acute) NOS
- ST elevation (STEMI) I21.3
ICD-10-CM Diagnosis Code I21.3
ST elevation (STEMI) myocardial infarction of unspecified site
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Acute transmural myocardial infarction of unspecified site
- Transmural (Q wave) myocardial infarction NOS
- Type 1 ST elevation myocardial infarction of unspecified site
- inferior (diaphragmatic) (inferolateral) (inferoposterior) (wall) I21.19
ICD-10-CM Diagnosis Code I21.19
ST elevation (STEMI) myocardial infarction involving other coronary artery of inferior wall
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Acute transmural myocardial infarction of inferior wall
- Inferolateral transmural (Q wave) infarction (acute)
- Transmural (Q wave) infarction (acute) (of) diaphragmatic wall
- Transmural (Q wave) infarction (acute) (of) inferior (wall) NOS
Type 2 Excludes- ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery (I21.21)
- subsequent (recurrent) (reinfarction) I22.9
ICD-10-CM Diagnosis Code I22.9
Subsequent ST elevation (STEMI) myocardial infarction of unspecified site
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Subsequent acute myocardial infarction of unspecified site
- Subsequent myocardial infarction (acute) NOS
- ST elevation I22.9
ICD-10-CM Diagnosis Code I22.9
Subsequent ST elevation (STEMI) myocardial infarction of unspecified site
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Subsequent acute myocardial infarction of unspecified site
- Subsequent myocardial infarction (acute) NOS
- inferior I22.1 (diaphragmatic) (inferolateral) (inferoposterior) (wall)
- transmural I22.9
ICD-10-CM Diagnosis Code I22.9
Subsequent ST elevation (STEMI) myocardial infarction of unspecified site
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
Applicable To- Subsequent acute myocardial infarction of unspecified site
- Subsequent myocardial infarction (acute) NOS
- diaphragmatic I22.1 (wall)
- inferior I22.1 (diaphragmatic) (inferolateral) (inferoposterior) (wall)
- diaphragmatic I22.1 (wall)
- inferior I22.1 (diaphragmatic) (inferolateral) (inferoposterior) (wall)
ICD-10-CM Codes Adjacent To I22.1
I21.21 ST elevation (STEMI) myocardial infarction involving left circumflex coronary artery
I21.29 ST elevation (STEMI) myocardial infarction involving other sites
I21.3 ST elevation (STEMI) myocardial infarction of unspecified site
I21.4 Non-ST elevation (NSTEMI) myocardial infarction
I21.9 Acute myocardial infarction, unspecified
I21.A Other type of myocardial infarction
I21.A1 Myocardial infarction type 2
I21.A9 Other myocardial infarction type
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
I22.8 Subsequent ST elevation (STEMI) myocardial infarction of other sites
I22.9 Subsequent ST elevation (STEMI) myocardial infarction of unspecified site
I23 Certain current complications following ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction (within the 28 day period)
I23.0 Hemopericardium as current complication following acute myocardial infarction
I23.1 Atrial septal defect as current complication following acute myocardial infarction
I23.2 Ventricular septal defect as current complication following acute myocardial infarction
I23.3 Rupture of cardiac wall without hemopericardium as current complication following acute myocardial infarction
I23.4 Rupture of chordae tendineae as current complication following acute myocardial infarction
I23.5 Rupture of papillary muscle as current complication following acute myocardial infarction
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
