Specific code icon 2016/17 ICD-10-CM Diagnosis Code I51.7

Cardiomegaly

    2016 2017 Billable/Specific Code

  • I51.7 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 I51.7. Other international versions of ICD-10 I51.7 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
  • Abnormal enlargement of the heart.
  • Enlargement of the heart due to chamber hypertrophy, an increase in wall thickness without an increase in the number of cells (myocytes, cardiac). It is the result of increase in myocyte size, mitochondrial and myofibrillar mass, as well as changes in extracellular matrix.
  • Enlargement of the heart, usually indicated by a cardiothoracic ratio above 0.50. Heart enlargement may involve the right, the left, or both heart ventricles or heart atria. Cardiomegaly is a nonspecific symptom seen in patients with chronic systolic heart failure (heart failure) or several forms of cardiomyopathies.
  • Hypertrophy or enlargement of the heart.
Applicable To
  • Cardiac dilatation
  • Cardiac hypertrophy
  • Ventricular dilatation
Approximate Synonyms
  • Atrial enlargement
  • Atrial enlargement, left
  • Atrial enlargement, right
  • Cardiomegaly (enlarged heart)
  • Hypertrophy or dilatation of right ventricle
  • Left atrial enlargement
  • Left ventricular dilatation
  • Left ventricular hypertrophy
  • Right atrial enlargement
  • Right ventricular enlargement
  • Right ventricular hypertrophy
  • Ventricular enlargement, right

Convert ICD-10-CM I51.7 to ICD-9-CM

The following ICD-10-CM Index entries contain back-references to ICD-10-CM I51.7: