ICD-10 Diagnosis Code I50.3

Diastolic (congestive) heart failure

Diagnosis Code I50.3

ICD-10: I50.3
Short Description: Diastolic (congestive) heart failure
Long Description: Diastolic (congestive) heart failure
This is the 2018 version of the ICD-10-CM diagnosis code I50.3

Not Valid for Submission
The code I50.3 is a "header" and not valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the circulatory system (I00–I99)
    • Other forms of heart disease (I30-I52)
      • Heart failure (I50)

Information for Medical Professionals

Index of Diseases and Injuries
References found for the code I50.3 in the Index of Diseases and Injuries:


Information for Patients


Heart Failure

Also called: CHF, Cardiac failure, Congestive heart failure, Left-sided heart failure, Right-sided heart failure

Heart failure is a condition in which the heart can't pump enough blood to meet the body's needs. Heart failure does not mean that your heart has stopped or is about to stop working. It means that your heart is not able to pump blood the way it should. It can affect one or both sides of the heart.

The weakening of the heart's pumping ability causes

  • Blood and fluid to back up into the lungs
  • The buildup of fluid in the feet, ankles and legs - called edema
  • Tiredness and shortness of breath

Common causes of heart failure are coronary artery disease, high blood pressure and diabetes. It is more common in people who are 65 years old or older, African Americans, people who are overweight, and people who have had a heart attack. Men have a higher rate of heart failure than women.

Your doctor will diagnose heart failure by doing a physical exam and heart tests. Treatment includes treating the underlying cause of your heart failure, medicines, and heart transplantation if other treatments fail.

NIH: National Heart, Lung, and Blood Institute

  • Brain natriutetic peptide test (Medical Encyclopedia)
  • Heart failure - discharge (Medical Encyclopedia)
  • Heart failure - fluids and diuretics (Medical Encyclopedia)
  • Heart failure - home monitoring (Medical Encyclopedia)
  • Heart failure - medicines (Medical Encyclopedia)
  • Heart failure in children - home care (Medical Encyclopedia)
  • Heart failure in children - overview (Medical Encyclopedia)
  • Heart failure overview (Medical Encyclopedia)
  • Pleural effusion (Medical Encyclopedia)
  • Pulmonary edema (Medical Encyclopedia)


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