746.7 HYPOPLAS LEFT HEART SYND


Code Information

Diagnosis Code: 746.7

Short Description: Hypoplas left heart synd

Long Description: Hypoplastic left heart syndrome

Code Classification:

  • Congenital anomalies (740–759)
    • Congenital anomalies (740-759)
      • 746 Other congenital anomalies of heart
        • 746.7 Hypoplas left heart synd

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 746.7 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Atresia, atretic (congenital) 759.89
    • aorta 747.22
      • with hypoplasia of ascending aorta and defective development of left ventricle (with mitral valve atresia) 746.7
    • mitral valve 746.89
      • with atresia or hypoplasia of aortic orifice or valve, with hypoplasia of ascending aorta and defective development of left ventricle 746.7
  • Defect, defective 759.9
    • developmental - see also Anomaly, by site
      • left ventricle 746.9
        • with atresia or hypoplasia of aortic orifice or valve, with hypoplasia of ascending aorta 746.7
        • in hypoplastic left heart syndrome 746.7
  • Development
    • defective, congenital - see also Anomaly
      • left ventricle 746.9
        • with atresia or hypoplasia of aortic orifice or valve with hypoplasia of ascending aorta 746.7
        • in hypoplastic left heart syndrome 746.7
  • Hypoplasia, hypoplasis 759.89
    • aortic
      • orifice or valve with hypoplasia of ascending aorta and defective development of left ventricle (with mitral valve atresia) 746.7
    • heart 746.89
      • left (complex) (syndrome) 746.7
  • Syndrome - see also Disease
    • hypoplastic left heart 746.7

Crosswalk Information

The code 746.7 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
746.7 Right Arrow Q23.4 Hypoplastic left heart syndrome
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
746.00 Congenital pulmonary valve anomaly, unspecified
746.01 Atresia of pulmonary valve, congenital
746.02 Stenosis of pulmonary valve, congenital
746.09 Other congenital anomalies of pulmonary valve
746.1 Tricuspid atresia and stenosis, congenital
746.2 Ebstein's anomaly
746.3 Congenital stenosis of aortic valve
746.4 Congenital insufficiency of aortic valve
746.5 Congenital mitral stenosis
746.6 Congenital mitral insufficiency
746.81 Subaortic stenosis
746.82 Cor triatriatum
746.83 Infundibular pulmonic stenosis
746.84 Obstructive anomalies of heart, not elsewhere classified
746.85 Coronary artery anomaly
746.86 Congenital heart block
746.87 Malposition of heart and cardiac apex
746.89 Other specified congenital anomalies of heart
746.9 Unspecified congenital anomaly of heart


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