People with serious liver disease such as Hepatitis C or B, cirrhosis, or Wilson's disease are not recommended as stem cell donors. However a person who has had Hepatitis A but is now recovered can be donor.
- People who received organ or bone marrow transplant.
- People who have kidney disease such as glomerulonephritis or polysystic kidney disease.
- People who have hemophilia or Factor V leiden.
- People who have had hematologic malignancy.
- People who have HIV.
These are the common conditions that will preclude people from donation. There may be other conditions as well. Please check with your own doctor if you question whether you can be a donor.

