| Source | Code | Name | Case count | Share of cases (%) |
|---|---|---|---|---|
| OUTPAT | OUTPAT_ICD10(D751) | Secondary polycythaemia | 559 | |
| PRIM_OUT | PRIM_OUT_NOT_USED_ICD10(D751) | Secondary polycythaemia. Not used in endpoint definition. POSSIBLY INACCURATE IN COMPLEX ENDPOINTS! | 94 | |
| INPAT | INPAT_ICD10(D751) | Secondary polycythaemia | 52 | |
| INPAT | INPAT_ICD8(28900) | Other disease of blood and blood-forming organs, Polycythaemia, secondary | 32 | |
| INPAT | INPAT_ICD9(2890X) | Other diseases of blood and blood-forming organs, Polycythaemia, secondary | 9 | |
| INPAT | INPAT_ICD9(2890A) | Other diseases of blood and blood-forming organs, Polycythaemia, secondary | 5 |