Laboratorytest Handbook, 5th edition, Jacobs & Demott. Diagnostisch Kompas
| Kind | 0 - 1 dag | 5 - 140 µmol/l |
| Kind | 1 - 2 dagen | 50 - 200 µmol/l |
| Kind | 2 - 3 dagen | 75 - 230 µmol/l |
| Kind | 3 - 5 dagen | 80 - 230 µmol/l |
| Kind | 5 - 6 dagen | 80 - 220 µmol/l |
| Kind | 6 - 7 dagen | 80 - 200 µmol/l |
| Kind | 7 - 21 dagen | 5 - 100 µmol/l |