| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| OUTPAT | OUTPAT_ICD10(Q900) | Trisomy 21, meiotic nondisjunction | 62 | |
| INPAT | INPAT_ICD10(Q900) | Trisomy 21, meiotic nondisjunction | 44 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(Q900) | Trisomy 21, meiotic nondisjunction. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 20 |