| Obligatory | Must not donate. |
| Discretionary | a) If there is a known cause for the haemolysis (e.g. an adverse reaction to a medicine, march haemoglobinuria or a venomous bite) and the individual is completely recovered, accept. b) Hereditary elliptocytosis not causing haemolysis or requiring splenectomy, accept. |
| See if Relevant | Autoimmune Disease Haemoglobin Disorders Splenectomy Transfusion |
| Additional Information | Affected red cells are more likely to break down after collection. This could make the stored blood dangerous to transfuse. Most cases of hereditary elliptocytosis do not affect red cell survival and may be accepted |
| Information | This is a requirement of the Blood Safety and Quality Regulations 2005. |
| Reason for change | This is a new entry. |
| Donor Information | If you wish to obtain more information regarding a personal medical issue please contact your National Help Line. Please do not contact this web site for personal medical queries, as we are not in a position to provide individual answers. |