Q21.1 - Atrial septal defect

  • Applicable to Atrial septal defect
  • The 2025 edition of ICD10-CM Q21.1 became effective on October 1, 2024.
  • This is the American ICD10-CM version of Q21.1 - other international versions of ICD10 Q21.1 may differ.
  • Q21.1 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • Q21.1 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
  • Q21.1 - Atrial 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

Type 2 Excludes

  • ostium primum atrial septal defect (type I) (Q21.20)

The following codes above Q21.1 contain annotation back-references that may be applicable to Q21.1:

Chapter: Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

Section: Q20-Q28 Congenital malformations of the circulatory system

Category: Q21 Congenital malformations of cardiac septa

   
Non-Billable/Non-Specific Code

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