| 09 South Karelia Hospital District | ER1 Helsinki University Hospital specific catchment area | |
| 15 South Ostrobothnia Hospital District | ER3 Tampere University Hospital specific catchment area | |
| 10 South Savo Hospital District | ER4 Kuopio University Hospital specific catchment area | |
| 25 Helsinki and Uusimaa Hospital District | ER1 Helsinki University Hospital specific catchment area | |
| 11 Itä-Savo Hospital District | ER4 Kuopio University Hospital specific catchment area | |
| 19 Kainuu Hospital District | ER5 Oulu University Hospital specific catchment area | |
| 05 Kanta-Häme Hospital District | ER3 Tampere University Hospital specific catchment area | |
| 17 Central Ostrobothnia Hospital District | ER5 Oulu University Hospital specific catchment area | |
| 14 Central Finland Hospital District | ER4 Kuopio University Hospital specific catchment area | |
| 08 Kymenlaakso Hospital District | ER1 Helsinki University Hospital specific catchment area | |
| 21 Lappi Hospital District | ER5 Oulu University Hospital specific catchment area | |
| 20 Länsi-Pohja Hospital District | ER5 Oulu University Hospital specific catchment area | |
| 06 Pirkanmaa Hospital District | ER3 Tampere University Hospital specific catchment area | |
| 12 North Karelia Hospital District | ER4 Kuopio University Hospital specific catchment area | |
| 18 North Ostrobothnia Hospital District | ER5 Oulu University Hospital specific catchment area | |
| 13 North Savo Hospital District | ER4 Kuopio University Hospital specific catchment area | |
| 07 Päijät-Häme Hospital District | ER1 Helsinki University Hospital specific catchment area | |
| 04 Satakunta Hospital District | ER2 Turku University Hospital specific catchment area | |
| 16 Vaasa Hospital District | ER2 Turku University Hospital specific catchment area | |
| 03 Southwest Finland Hospital District | ER2 Turku University Hospital specific catchment area | |
| 00 Åland | ER6 Åland | |