Valid for Submission
I50.40 is a billable diagnosis code used to specify a medical diagnosis of unspecified combined systolic (congestive) and diastolic (congestive) heart failure. The code I50.40 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code I50.40 might also be used to specify conditions or terms like combined systolic and diastolic dysfunction.
The code is commonly used in cardiology medical specialties to specify clinical concepts such as heart failure.
Unspecified diagnosis codes like I50.40 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code I50.40 are found in the index:
- - Failure, failed
- - heart (acute) (senile) (sudden) - I50.9
- - Note: heart failure stages A, B, C, and D are based on the American College of Cardiology and American Heart Association stages of heart failure, which complement and should not be confused with the New York Heart Association Classification of Heart Failure, into Class I, Class II, Class III, and Class IV
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Combined systolic and diastolic dysfunction
Diagnostic Related Groups - MS-DRG Mapping
Convert I50.40 to ICD-9 Code
Information for Patients
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
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