Specific code icon 2017 ICD-10-CM Diagnosis Code I51.9

Heart disease, unspecified

    2016 2017 Billable/Specific Code

  • I51.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • This is the American ICD-10-CM version of I51.9. Other international versions of ICD-10 I51.9 may differ.
  • Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

Clinical Information
  • Any deviation from the normal structure or function of the cardiac system that is manifested by a characteristic set of symptoms and signs.
  • If you're like most people, you think that heart disease is a problem for other folks. But heart disease is the number one killer in the United States It is also a major cause of disability. There are many different forms of heart disease. The most common cause of heart disease is narrowing or blockage of the coronary arteries, the blood vessels that supply blood to the heart itself. This is called coronary artery disease and happens slowly over time. It's the major reason people have heart attacks. Other kinds of heart problems may happen to the valves in the heart, or the heart may not pump well and cause heart failure. Some people are born with heart disease. You can help reduce your risk of heart disease by taking steps to control factors that put you at greater risk:
    • control your blood pressure
    • lower your cholesterol
    • don't smoke
    • get enough exercise
  • Impairment of health or a condition of abnormal functioning of the heart.
  • Pathological conditions involving the heart including its structural and functional abnormalities.
Approximate Synonyms
  • Cardiac disease postpartum
  • Diastolic dysfunction
  • Diastolic dysfunction (heart condition)
  • Diastolic dysfunction, left ventricle
  • Heart disease during pregnancy
  • Heart disease in childbirth
  • Heart disease in pregnancy
  • Left ventricular diastolic dysfunction
  • Left ventricular systolic dysfunction
  • Postpartum (after childbirth) heart disease
  • Postpartum heart disease
  • Right ventricular systolic dysfunction
  • Right ventricular systolic dysfunction without heart failure
  • Systolic dysfunction, left ventricle
  • Systolic dysfunction, left ventricle, wo heart failure
  • Systolic dysfunction, right ventricle, wo heart failure
ICD-10-CM I51.9 is grouped within Diagnostic Related Group(s) (MS-DRG v34.0):
  • 302 Atherosclerosis with mcc
  • 303 Atherosclerosis without mcc

Convert ICD-10-CM I51.9 to ICD-9-CM

The following ICD-10-CM Index entries contain back-references to ICD-10-CM I51.9: