Adrenoleukodystrophy (ALD) Batten Disease Hunter Syndrome (MPS II) Krabbe disease (Globoid Leukodystrophy) Metachromatic Leukodystrophy (MLD) Niemann Pick disease type A or B Pelizaeus-Merzbacher disease (PMD) Sandhoff disease Tay Sachs disease. Alpha Mannosidosis Sanfilippo (MPS III)