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429.3 CARDIOMEGALY


Code Information

Diagnosis Code: 429.3

Short Description: Cardiomegaly

Long Description: Cardiomegaly

Code Classification:

  • Diseases of the circulatory system (390–459)
    • Other forms of heart disease (420-429)
      • 429 Ill-defined descriptions and complications of heart disease
        • 429.3 Cardiomegaly

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 429.3 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Athlete's
    • heart 429.3
  • Cardiomegaly (see also Hypertrophy, cardiac) 429.3
    • congenital 746.89
    • glycogen 271.0
    • hypertensive (see also Hypertension, heart) 402.90
    • idiopathic 425.4
  • Dilatation
    • cardiac (acute) (chronic) (see also Hypertrophy, cardiac) 429.3
      • congenital 746.89
        • valve NEC 746.89
          • pulmonary 746.09
      • hypertensive (see also Hypertension, heart) 402.90
    • heart (acute) (chronic) (see also Hypertrophy, cardiac) 429.3
      • congenital 746.89
      • hypertensive (see also Hypertension, heart) 402.90
      • valve - see also Endocarditis
        • congenital 746.89
    • myocardium (acute) (chronic) (see also Hypertrophy, cardiac) 429.3
    • ventricular, ventricle (acute) (chronic) (see also Hypertrophy, cardiac) 429.3
      • cerebral, congenital 742.4
      • hypertensive (see also Hypertension, heart) 402.90
  • Enlargement, enlarged - see also Hypertrophy
    • heart, cardiac (see also Hypertrophy, cardiac) 429.3
  • Fever 780.60
    • rheumatic (active) (acute) (chronic) (subacute) 390
      • inactive or quiescent with
        • heart conditions (classifiable to 429.3, 429.6, 429.9) 398.99
          • failure (congestive) (conditions classifiable to 428.0, 428.9) 398.91
  • Hypertension, hypertensive (arterial) (arteriolar) (crisis) (degeneration) (disease) (essential) (fluctuating) (idiopathic) (intermittent) (labile) (low renin) (orthostatic) (paroxysmal) (primary) (systemic) (uncontrolled) (vascular).......................................... 401.0......... 401.1......... 401.9
    • with
      • heart involvement (conditions classifiable to 429.0-429.3, 429.8, 429.9 due to hypertension) (see also Hypertension, heart).................................. 402.00....... 402.10....... 402.90
        • with kidney involvement � see Hypertension, cardiorenal
    • heart (disease) (conditions classifiable to 429.0-429.3, 429.8, 429.9 due to hypertension)........... 402.00....... 402.10....... 402.90
      • with
        • heart failure............................................................. 402.01....... 402.11....... 402.91
        • hypertensive kidney disease (conditions classifiable to 403) (see also Hypertension, cardiorenal)....... 404.00....... 404.10....... 404.90
        • renal sclerosis (see also Hypertension, cardiorenal).. 404.00....... 404.10....... 404.90
    • kidney. 403.00.................................................................... 403.10....... 403.90
      • with
        • heart involvement (conditions classifiable to� 429.0-429.3, 429.8, 429.9 due to hypertension) (see also Hypertension, cardiorenal)................... 404.00....... 404.10....... 404.90
  • Hypertrophy, hypertrophic
    • cardiac (chronic) (idiopathic) 429.3
      • with
        • rheumatic fever (conditions classifiable to 390)
          • active 391.8
            • with chorea 392.0
          • inactive or quiescent (with chorea) 398.99
      • congenital NEC 746.89
      • fatty (see also Degeneration, myocardial) 429.1
      • hypertensive (see also Hypertension, heart) 402.90
      • rheumatic (with chorea) 398.99
        • active or acute 391.8
          • with chorea 392.0
      • valve (see also Endocarditis) 424.90
        • congenital NEC 746.89
    • myocardium (see also Hypertrophy, cardiac) 429.3
      • idiopathic 425.18
  • Preponderance, left or right ventricular 429.3

Crosswalk Information

The code 429.3 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
429.3 Right Arrow I51.7 Cardiomegaly
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
429.0 Myocarditis, unspecified
429.1 Myocardial degeneration
429.2 Cardiovascular disease, unspecified
429.4 Functional disturbances following cardiac surgery
429.5 Rupture of chordae tendineae
429.6 Rupture of papillary muscle
429.71 Acquired cardiac septal defect
429.79 Certain sequelae of myocardial infarction, not elsewhere classified, other
429.81 Other disorders of papillary muscle
429.82 Hyperkinetic heart disease
429.83 Takotsubo syndrome
429.89 Other ill-defined heart diseases
429.9 Heart disease, unspecified

This page was last updated on: 10/1/2014

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