ICD-10-CM Book 2024 Edition

Chapters ICD-10-CM Book Table of Content /
chapter 17 Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities /
Q20-Q28 Congenital malformations of the circulatory system /
Q21 Congenital malformations of cardiac septa

  Billable ICD-10-CM Code Q21.13
Q21.13
Coronary sinus atrial septal defect
Coronary sinus defect
Unroofed coronary sinus