745.5 SECUNDUM ATRIAL SEPT DEF


Code Information

Diagnosis Code: 745.5

Short Description: Secundum atrial sept def

Long Description: Ostium secundum type atrial septal defect

Code Classification:

  • Congenital anomalies (740–759)
    • Congenital anomalies (740-759)
      • 745 Bulbus cordis anomalies and anomalies of cardiac septal closure
        • 745.5 Secundum atrial sept def

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 745.5 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Acleistocardia 745.5
  • Anomaly, anomalous (congenital) (unspecified type) 759.9
    • atrial
      • septa 745.5
    • auricle
      • heart 746.9
        • septum 745.5
    • foramen
      • Botalli 745.5
      • ovale 745.5
    • heart 746.9
      • septum 745.9
        • atrial 745.5
        • auricular 745.5
        • interatrial 745.5
  • Closure
    • foramen ovale, imperfect 745.5
    • interauricular septum, defective 745.5
  • Cyanosis 782.5
    • due to
      • nonclosure, foramen botalli 745.5
      • patent foramen botalli 745.5
      • persistent foramen ovale 745.5
  • Defect, defective 759.9
    • atrial septal (ostium secundum type) 745.5
      • acquired 429.71
      • ostium primum type 745.61
      • sinus venosus 745.8
    • atrium secundum 745.5
      • acquired 429.71
    • auricular septal 745.5
      • acquired 429.71
    • fossa ovalis 745.5
    • interatrial septal 745.5
      • acquired 429.71
    • interauricular septal 745.5
      • acquired 429.71
    • ostium
      • secundum 745.5
    • septal (closure) (heart) NEC 745.9
      • atrial 745.5
  • Deformity 738.9
    • atrial septal (congenital) (heart) 745.5
    • heart (congenital) 746.9
      • septum 745.9
        • auricular 745.5
  • Disease, diseased - see also Syndrome
    • Lutembacher's (atrial septal defect with mitral stenosis) 745.5
  • Foramen ovale (nonclosure) (patent) (persistent) 745.5
  • Fusion, fused (congenital)
    • atria 745.5
    • auricles, heart 745.5
  • Imperfect
    • closure (congenital)
      • atrium (secundum) 745.5
        • primum 745.61
      • foramen
        • Botalli 745.5
        • ovale 745.5
      • interatrial ostium or septum 745.5
      • interauricular ostium or septum 745.5
      • ostium
        • interatrial 745.5
        • interauricular 745.5
      • septum
        • atrial (secundum) 745.5
          • primum 745.61
        • interatrial (secundum) 745.5
          • primum 745.61
        • interauricular (secundum) 745.5
          • primum 745.61
  • Lutembacher's disease or syndrome (atrial septal defect with mitral stenosis) 745.5
  • Nonclosure - see also Imperfect, closure
    • foramen
      • Botalli 745.5
      • ovale 745.5
  • Ostium
    • secundum (arteriosum) (defect) (patent) (persistent) 745.5
  • Patent - see also Imperfect closure
    • foramen
      • Botalli 745.5
      • ovale 745.5
    • interauricular septum 745.5
    • ostium secundum 745.5
  • Perforation, perforative (nontraumatic)
    • atrial septum, multiple 745.5
  • Persistence, persistent (congenital) 759.89
    • foramen
      • Botalli 745.5
      • ovale 745.5
    • ostium
      • secundum 745.5
  • Syndrome - see also Disease
    • Lutembacher's (atrial septal defect with mitral stenosis) 745.5

Crosswalk Information

The code 745.5 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
745.5 Right Arrow Q21.1 Atrial septal defect
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
745.0 Common truncus
745.10 Complete transposition of great vessels
745.11 Double outlet right ventricle
745.12 Corrected transposition of great vessels
745.19 Other transposition of great vessels
745.2 Tetralogy of fallot
745.3 Common ventricle
745.4 Ventricular septal defect
745.60 Endocardial cushion defect, unspecified type
745.61 Ostium primum defect
745.69 Other endocardial cushion defects
745.7 Cor biloculare
745.8 Other bulbus cordis anomalies and anomalies of cardiac septal closure
745.9 Unspecified defect of septal closure


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