Serious back problems, particularly those requiring surgery, may be a cause for deferral. If you have significant back problems, consult your donor center. Cervical cancer in situ is acceptable. All other forms of cancer are unacceptable. Medication-dependent diabetes is not acceptable.
Diabetes controlled by diet is acceptable.
Epilepsy controlled with medication, when there has been no more than one seizure in the past year, is acceptable. Prior heart attack, bypass surgery or other heart disease is not acceptable. Mitral valve prolapse that does not require medication or restrictions is acceptable. Irregular heartbeat not requiring medication is acceptable. Hepatitis B surface antigen is not acceptable.