Specific code icon 2015 ICD-10-CM Diagnosis Code I51.7

Cardiomegaly

    2015 Billable Code

  • I51.7 is a billable ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • On October 1, 2015 ICD-10-CM will replace ICD-9-CM in the United States, therefore, I51.7 - and all other ICD-10-CM codes - should only be used for training or planning purposes until then.
  • This is the American ICD-10-CM version of I51.7. Other international ICD-10 versions may differ.

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
Description Synonyms
  • Atrial enlargement
  • Atrial enlargement, bilateral
  • Atrial enlargement, left
  • Atrial enlargement, right
  • Bilateral enlargement of atria
  • Cardiomegaly (enlarged heart)
  • Hypertrophy or dilatation of right ventricle
  • Left atrial enlargement
  • Left ventricular dilatation
  • Left ventricular hypertrophy
  • Right atrial enlargement
  • Ventricular enlargement, right
ICD-10-CM I51.7 is grouped within Diagnostic Related Group(s) (MS-DRG v30.0):
  • 302 Atherosclerosis with mcc
  • 303 Atherosclerosis without mcc

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: