Specific code icon 2014 ICD-10-CM Diagnosis Code I51.9

Heart disease, unspecified

  • I51.9 is a billable ICD-10-CM code that can be used to specify a diagnosis.
  • On October 1, 2014 ICD-10-CM will replace ICD-9-CM in the United States, therefore, I51.9 and all other ICD-10-CM codes should only be used for training or planning purposes until then.
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.
Description Synonyms
  • Cardiac disease postpartum
  • 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
Mortality Data
  • Between 1999-2007 there were 28,964 deaths in the United States where ICD-10 I51.9 was indicated as the underlying cause of death [source: cdc.govlink to cdc.gov]
  • ICD-10 I51.9 as underlying cause of death data broken down by: gender, age, race, year
ICD-10-CM I51.9 is grouped within Diagnostic Related Group(s) (MS-DRG v30.0):
  • 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: