| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| OUTPAT | OUTPAT_ICD10(Q261) | Persistent left superior vena cava | 30 | |
| INPAT | INPAT_ICD10(Q261) | Persistent left superior vena cava | 23 | |
| OUTPAT | OUTPAT_ICD10(Q263) | Partial anomalous pulmonary venous connection | 21 | |
| INPAT | INPAT_ICD10(Q263) | Partial anomalous pulmonary venous connection | 20 | |
| OUTPAT | OUTPAT_ICD10(Q268) | Other congenital malformations of great veins | 6 | |
| INPAT | INPAT_ICD10(Q268) | Other congenital malformations of great veins | 5 |