1. I50 Heart failure

    Excludes1

    • neonatal cardiac failure (P29.0)

    Excludes2

    • cardiac arrest (I46.-)
    1. I50.1 Left ventricular failure, unspecified

      Inclusion term(s):

      • Cardiac asthma
      • Edema of lung with heart disease NOS
      • Edema of lung with heart failure
      • Left heart failure
      • Pulmonary edema with heart disease NOS
      • Pulmonary edema with heart failure
    2. I50.2 Systolic (congestive) heart failure

      Inclusion term(s):

      • Heart failure with reduced ejection fraction [HFrEF]
      • Systolic left ventricular heart failure
      1. I50.20 Unspecified systolic (congestive) heart failure

      2. I50.21 Acute systolic (congestive) heart failure

      3. I50.22 Chronic systolic (congestive) heart failure

      4. I50.23 Acute on chronic systolic (congestive) heart failure

    3. I50.3 Diastolic (congestive) heart failure

      Inclusion term(s):

      • Diastolic left ventricular heart failure
      • Heart failure with normal ejection fraction
      • Heart failure with preserved ejection fraction [HFpEF]
      1. I50.30 Unspecified diastolic (congestive) heart failure

      2. I50.31 Acute diastolic (congestive) heart failure

      3. I50.32 Chronic diastolic (congestive) heart failure

      4. I50.33 Acute on chronic diastolic (congestive) heart failure

    4. I50.4 Combined systolic (congestive) and diastolic (congestive) heart failure

      Inclusion term(s):

      • Combined systolic and diastolic left ventricular heart failure
      • Heart failure with reduced ejection fraction and diastolic dysfunction
      1. I50.40 Unspecified combined systolic (congestive) and diastolic (congestive) heart failure

      2. I50.41 Acute combined systolic (congestive) and diastolic (congestive) heart failure

      3. I50.42 Chronic combined systolic (congestive) and diastolic (congestive) heart failure

      4. I50.43 Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure

    5. I50.8 Other heart failure

      1. I50.81 Right heart failure

        Inclusion term(s):

        • Right ventricular failure
        • I50.810 Right heart failure, unspecified

          Inclusion term(s):

          • Right heart failure without mention of left heart failure
          • Right ventricular failure NOS
        • I50.811 Acute right heart failure

          Inclusion term(s):

          • Acute isolated right heart failure
          • Acute (isolated) right ventricular failure
        • I50.812 Chronic right heart failure

          Inclusion term(s):

          • Chronic isolated right heart failure
          • Chronic (isolated) right ventricular failure
        • I50.813 Acute on chronic right heart failure

          Inclusion term(s):

          • Acute on chronic isolated right heart failure
          • Acute on chronic (isolated) right ventricular failure
          • Acute decompensation of chronic (isolated) right ventricular failure
          • Acute exacerbation of chronic (isolated) right ventricular failure
        • I50.814 Right heart failure due to left heart failure

          Inclusion term(s):

          • Right ventricular failure secondary to left ventricular failure
      2. I50.82 Biventricular heart failure

      3. I50.83 High output heart failure

      4. I50.84 End stage heart failure

        Inclusion term(s):

        • Stage D heart failure
      5. I50.89 Other heart failure

    6. I50.9 Heart failure, unspecified

      Inclusion term(s):

      • Cardiac, heart or myocardial failure NOS
      • Congestive heart disease
      • Congestive heart failure NOS
Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.