TABLE: Instructions in ICD-10-CM are similar to those in ICD-9-CM but a little more defined. See the crosswalk below to note the differences in terminology and what you will have to identify in your documentation.

ICD-9-CM Description ICD-10-CM Description
 
428 Heart failure I50 Heart failure
  Code, if applicable, heart failure due to hypertension first   Code first: Heart failure complicating abortion or ectopic or molar pregnancy, heart failure following surgery, heart failure due to hypertension, heart failure due to hypertension with chronic kidney disease, obstetic surgery and procedures, rheumatic heart failure
 
428.0 Congetive heart failure, unspecified I50.9 Heart failure, unspecified
      Biventricular (heart) failure NOS
      Cardiac, heart or myocardial failure NOS
      Congestive heart disease
      Congestive heart failure
      Right ventricular failure (secondary to left heart failure)
    I50.1 Left ventricular failure
      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
    I50.20 Unspecified systolic (congestive) heart failure
    I50.21 Acute systolic (congestive) heart failure
    I50.22 Chronic systolic (congestive) heart failure
    I50.23 Acute on chronic systolic (congestive) heart failure
    I50.30 Unspecified diastolic (congestive) heart failure
    I50.31 Acute diastolic (congestive) heart failure
    I50.32 Chronic diastolic (congestive) heart failure
    I50.33 Acute on chronic diastolic (congestive) heart failure
    I50.40 Unspecified combined systolic (congestive) and diastolic (congestive) heart failure
    I50.41 Acute combined systolic (congestive) and diastolic (congestive) heart failure
    I50.42 Chronic combined systolic (congestive) and diastolic (congestive) heart failure
    I50.43 Acute on chronic combined systolic (congestive) and diastolic (congestive) heart failure
 
428.1 Left heart failure I50.1 Left ventricular failure
428.2 Systolic heart failure   No Code
428.3 Diastolic heart failure   No Code
428.4 Combined systolic and diastolic heart failure   No Code
428.9 Heart failure, unspecified   Heart failure, unspecified
      Biventricular (heart) failure NOS
      Cardiac, heart or myocardial failure NOS
      Congestive heart disease
      Congestive heart failure
      Right ventricular failure (secondary to left heart failure)