| GALC | Galactocerebrosidase |
| KD | Krabbe disease |
| LSD | Lysosomal storage disease |
| IKD | Infantile Krabbe disease |
| HSCT | Human stem cell transplantation |
| PSY | Galactosyl-sphingosine, psychosine |
| VUS | Variant of uncertain significance |
| IDPH | Illinois Department of Public Health |