2019 ICD-10-CM Diagnosis Code I22.2

Subsequent non-ST elevation (NSTEMI) myocardial infarction

    2016 2017 2018 2019 Billable/Specific Code
  • I22.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2019 edition of ICD-10-CM I22.2 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of I22.2 - other international versions of ICD-10 I22.2 may differ.
Applicable To
  • Subsequent acute subendocardial myocardial infarction
  • Subsequent non-Q wave myocardial infarction NOS
  • Subsequent nontransmural myocardial infarction NOS
The following code(s) above I22.2 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 I22.2:
  • I00-I99
    2019 ICD-10-CM Range I00-I99

    Diseases of the circulatory system

    Type 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.-)
    Diseases of the circulatory system
  • I20-I25
    2019 ICD-10-CM Range I20-I25

    Ischemic heart diseases

    Use Additional
    • code to identify presence of hypertension (I10-I16)
    Ischemic heart diseases
  • I22
    ICD-10-CM Diagnosis Code I22

    Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction

      2016 2017 2018 2019 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)
    Subsequent ST elevation (STEMI) and non-ST elevation (NSTEMI) myocardial infarction
Approximate Synonyms
  • Subseq non st elevation mi, within 4 wks of previous mi
  • Subsequent non-st segment elevation myocardial infarction
ICD-10-CM I22.2 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 222 Cardiac defibrillator implant with cardiac catheterization with ami/hf/shock with mcc
  • 223 Cardiac defibrillator implant with cardiac catheterization with ami/hf/shock without mcc
  • 224 Cardiac defibrillator implant with cardiac catheterization without ami/hf/shock with mcc
  • 225 Cardiac defibrillator implant with cardiac catheterization without ami/hf/shock without mcc
  • 226 Cardiac defibrillator implant without cardiac catheterization with mcc
  • 227 Cardiac defibrillator implant without cardiac catheterization 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 I22.2 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

Diagnosis Index entries containing back-references to I22.2:
  • 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 Billable/Specific Code
      Applicable To
      • Myocardial infarction (acute) NOS
      • non-ST elevation (NSTEMI) I21.4
        ICD-10-CM Diagnosis Code I21.4

        Non-ST elevation (NSTEMI) myocardial infarction

          2016 2017 2018 2019 Billable/Specific Code
        Applicable To
        • Acute subendocardial myocardial infarction
        • Non-Q wave myocardial infarction NOS
        • Nontransmural myocardial infarction NOS
        • Type 1 non-ST elevation myocardial infarction
        • subsequent I22.2
      • 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 Billable/Specific Code
        Applicable To
        • Subsequent acute myocardial infarction of unspecified site
        • Subsequent myocardial infarction (acute) NOS
        • non-ST elevation I22.2 (NSTEMI)
        • subendocardial I22.2

ICD-10-CM Codes Adjacent To I22.2
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
I23.6 Thrombosis of atrium, auricular appendage, and ventricle as current complications 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.