Adrenoleukodystrophy National Registry Study

Inclusion Criteria * Age 0 - 100 * ALD patients or family member meeting any of the following criteria: * Any patient diagnosed with ALD (confirmed by positive VLCFA testing and/or genetic mutation). * Known or presumed mutation with ALD based on pedigree or confirmed mutation in ABCD1 gene * Participants living in the United States and territories Exclusion Criteria * Patients diagnosed with ALD who lack the capacity to consent/assent AND do not have a designated legally authorized representative or guardian. * Patients who have undergone BMT or other cellular therapy . * Patients not fluent in English who are unable to consent in-person at the BMT Journey Clinic. * Patients who are illiterate * Patient determined by the PI or designee to be unlikely to complete required study components (due to language barriers, compliance issues, etc.)