| parent | Clotting factors | LP31623-9 |
| child | Coagulation factor IX Ag | LP37720-7 |
| child | Coagulation factor IX activated activity | LP15962-1 |
| child | Coagulation factor IX activity | LP32955-4 |
| child | Coagulation factor IX activity actual/Normal | LP174021-8 |
| child | Coagulation factor IX Ag actual/Normal | LP228093-3 |
| STATUS | ACTIVE |
| PartDisplayName | en-US | Coagulation factor IX |
| DisplayName | en-US | Coagulation factor IX |
LOINC Version: 2.81