ICD-10-CM Code Q21: Congenital malformations of cardiac septa and Related Diagnosis Codes.

The ICD-10-CM (the International Classification of Diseases, Tenth Revision, Clinical Modification) is a standardized coding system used when classifying diseases and medical conditions. Healthcare providers report these codes on Medical claims when diagnosing patient care.

Explore ICD-10-CM codes, organized by chapters based on body systems and medical conditions, as outlined in the International Classification of Diseases, Tenth Revision, Clinical Modification.

Tip: Have a specific ICD-10-CM code? Use our simple to use ICD-10-CM Code Lookup tool.

Eclaims - ICD-10-CM Tabular Code List v1.0.0

A categorized list of ICD-10-CM codes organized by chapters based on body systems or medical conditions, according to the International Classification of Diseases, Tenth Revision, Clinical Modification.

Questions
Results
  • Q21 - Congenital malformations of cardiac septa
    • Q21.0 - Ventricular septal defect
    • Q21.1 - Atrial septal defect
      • Q21.10 - Atrial septal defect, unspecified
      • Q21.11 - Secundum atrial septal defect
      • Q21.12 - Patent foramen ovale
      • Q21.13 - Coronary sinus atrial septal defect
      • Q21.14 - Superior sinus venosus atrial septal defect
      • Q21.15 - Inferior sinus venosus atrial septal defect
      • Q21.16 - Sinus venosus atrial septal defect, unspecified
      • Q21.19 - Other specified atrial septal defect
    • Q21.2 - Atrioventricular septal defect
      • Q21.20 - Atrioventricular septal defect, unspecified as to partial or complete
      • Q21.21 - Partial atrioventricular septal defect
      • Q21.22 - Transitional atrioventricular septal defect
      • Q21.23 - Complete atrioventricular septal defect
    • Q21.3 - Tetralogy of Fallot
    • Q21.4 - Aortopulmonary septal defect
    • Q21.8 - Other congenital malformations of cardiac septa
    • Q21.9 - Congenital malformation of cardiac septum, unspecified
Search ICD-10-CM Codes

Note: The International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) codes are developed and maintained by the Centers for Disease Control and Prevention (CDC). CDC's National Center for Health Statistics (NCHS) is responsible for the clinical modification of ICD-10 for use in the United States. The World Health Organization (WHO), which owns and publishes ICD-10, authorized NCHS to develop ICD-10-CM. All modifications to ICD-10 must conform to WHO's established ICD structure and conventions. All rights are reserved by the respective entities.