| Obligatory | 1. Must not donate if: Either parent has significant haemolysis. 2. Inform Transplant Centre if: Cells are from a infant with/or at risk of hereditary spherocytosis. |
| Discretionary | Even if a parent has significant haemolysis, if the cord blood is tested for the condition and the infant is shown to be unaffected, accept. |
| Additional Information | Hereditary spherocytosis is a variably inherited but usually dominant condition. Suitability as a donor should be discussed with a Designated Medical Officer. |
| Reason for Change | The entry has been brought into line with the guideline for 'Hereditary Elliptocytosis'. |