2019 ICD-10-CM Diagnosis Code I23.7

Postinfarction angina

    2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)
  • I23.7 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 I23.7 became effective on October 1, 2018.
  • This is the American ICD-10-CM version of I23.7 - other international versions of ICD-10 I23.7 may differ.
ICD-10-CM Coding Rules
  • I23.7 is applicable to adult patients aged 15 - 124 years inclusive.
The following code(s) above I23.7 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 I23.7:
  • 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
Approximate Synonyms
  • Post infarct angina
ICD-10-CM I23.7 is grouped within Diagnostic Related Group(s) (MS-DRG v36.0):
  • 314 Other circulatory system diagnoses with mcc
  • 315 Other circulatory system diagnoses with cc
  • 316 Other circulatory system diagnoses without cc/mcc

Convert I23.7 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
Code annotations containing back-references to I23.7:
  • Type 1 Excludes: I20
    , I24.1
    ICD-10-CM Diagnosis Code I20

    Angina pectoris

      2016 2017 2018 2019 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • angina pectoris with atherosclerotic heart disease of native coronary arteries (I25.1-)
    • atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris (I25.7-)
    • postinfarction angina (I23.7)
    Use Additional
    • code to identify:
    • exposure to environmental tobacco smoke (Z77.22)
    • history of tobacco dependence (Z87.891)
    • occupational exposure to environmental tobacco smoke (Z57.31)
    • tobacco dependence (F17.-)
    • tobacco use (Z72.0)
    ICD-10-CM Diagnosis Code I24.1

    Dressler's syndrome

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Postmyocardial infarction syndrome
    Type 1 Excludes
    • postinfarction angina (I23.7)

Diagnosis Index entries containing back-references to I23.7:
  • Angina (attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) I20.9
    ICD-10-CM Diagnosis Code I20.9

    Angina pectoris, unspecified

      2016 2017 2018 2019 Billable/Specific Code
    Applicable To
    • Angina NOS
    • Anginal syndrome
    • Cardiac angina
    • Ischemic chest pain
    • following acute myocardial infarction I23.7
    • post-infarctional I23.7
  • Complication(s) (from) (of)

ICD-10-CM Codes Adjacent To I23.7
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
I23.7 Postinfarction angina
I23.8 Other current complications following acute myocardial infarction
I24 Other acute ischemic heart diseases
I24.0 Acute coronary thrombosis not resulting in myocardial infarction
I24.1 Dressler's syndrome
I24.8 Other forms of acute ischemic heart disease
I24.9 Acute ischemic heart disease, unspecified
I25 Chronic ischemic heart disease
I25.1 Atherosclerotic heart disease of native coronary artery
I25.10 …… without angina pectoris
I25.11 Atherosclerotic heart disease of native coronary artery with angina pectoris

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.