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ICD-10-CM Codes
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I00-I99
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I30-I5A
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I51-
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2023 ICD-10-CM Diagnosis Code I51.7
2023 ICD-10-CM Diagnosis Code I51.7
Cardiomegaly
2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code
- I51.7 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2023 edition of ICD-10-CM I51.7 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I51.7 - other international versions of ICD-10 I51.7 may differ.
Applicable To- Cardiac dilatation
- Cardiac hypertrophy
- Ventricular dilatation
The following code(s) above
I51.7 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
- Applicable To annotations, or
- Code Also annotations, or
- Code First annotations, or
- Excludes1 annotations, or
- Excludes2 annotations, or
- Includes annotations, or
- Note annotations, or
- Use Additional annotations
that may be applicable to
I51.7:
- Atrial enlargement
- 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
- Right ventricular enlargement
- Ventricular enlargement, right
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.
ICD-10-CM I51.7 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
- 302 Atherosclerosis with mcc
- 303 Atherosclerosis without mcc
Convert I51.7 to ICD-9-CM
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2023 (effective 10/1/2022): No change
Code annotations containing back-references to I51.7:
ICD-10-CM Codes Adjacent To I51.7
I50.84 End stage heart failure
I50.9 Heart failure, unspecified
I51 Complications and ill-defined descriptions of heart disease
I51.0 Cardiac septal defect, acquired
I51.1 Rupture of chordae tendineae, not elsewhere classified
I51.2 Rupture of papillary muscle, not elsewhere classified
I51.3 Intracardiac thrombosis, not elsewhere classified
I51.4 Myocarditis, unspecified
I51.5 Myocardial degeneration
I51.7
Cardiomegaly
I51.8 Other ill-defined heart diseases
I51.89 Other ill-defined heart diseases
I51.9 Heart disease, unspecified
I52 Other heart disorders in diseases classified elsewhere
I5A Non-ischemic myocardial injury (non-traumatic)
I60 Nontraumatic subarachnoid hemorrhage
I60.0 Nontraumatic subarachnoid hemorrhage from carotid siphon and bifurcation
I60.00 Nontraumatic subarachnoid hemorrhage from unspecified carotid siphon and bifurcation
I60.01 Nontraumatic subarachnoid hemorrhage from right carotid siphon and bifurcation
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
