2021

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  3. The 2021 Diagnosis Related Groups dataset

DRG 311

Angina pectoris

  • I20.0
    Unstable angina
  • I20.1
    Angina pectoris with documented spasm
  • I20.8
    Other forms of angina pectoris
  • I20.9
    Angina pectoris, unspecified
  • I24.0
    Acute coronary thrombosis not resulting in myocardial infarction
  • I24.8
    Other forms of acute ischemic heart disease
  • I24.9
    Acute ischemic heart disease, unspecified
ICD-10-CM I20.0

Unstable angina

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To
  • Accelerated angina
  • Crescendo angina
  • De novo effort angina
  • Intermediate coronary syndrome
  • Preinfarction syndrome
  • Worsening effort angina
ICD-10-CM I20.1

Angina pectoris with documented spasm

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To
  • Angiospastic angina
  • Prinzmetal angina
  • Spasm-induced angina
  • Variant angina
ICD-10-CM I20.8

Other forms of angina pectoris

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To
  • Angina equivalent
  • Angina of effort
  • Coronary slow flow syndrome
  • Stenocardia
  • Stable angina
Use Additional
  • code(s) for symptoms associated with angina equivalent
ICD-10-CM I20.9

Angina pectoris, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To
  • Angina NOS
  • Anginal syndrome
  • Cardiac angina
  • Ischemic chest pain
ICD-10-CM I24.0

Acute coronary thrombosis not resulting in myocardial infarction

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Applicable To
  • Acute coronary (artery) (vein) embolism not resulting in myocardial infarction
  • Acute coronary (artery) (vein) occlusion not resulting in myocardial infarction
  • Acute coronary (artery) (vein) thromboembolism not resulting in myocardial infarction
Type 1 Excludes
  • atherosclerotic heart disease (I25.1-)
ICD-10-CM I24.8

Other forms of acute ischemic heart disease

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Type 1 Excludes
  • myocardial infarction due to demand ischemia (I21.A1)
ICD-10-CM I24.9

Acute ischemic heart disease, unspecified

    2016 2017 2018 2019 2020 2021 Billable/Specific Code
Type 1 Excludes
  • ischemic heart disease (chronic) NOS (I25.9)

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