1 => Disorder placed on map based on association with a gene; defect unknown
2 => Disorder placed by linkage; no mutation found
3 => Molecular basis known; mutation found in gene
4 => Contiguous gene deletion/duplication syndrome
| Gene Symbol | Chromosomal Location | Gene MIM number | Mapping Method | Phenotype | Phenotype MIM number | Phenotype Mapping Key |
| FIG4 | 6q21 | 609390 | R, REc, Fd | Charcot-Marie-Tooth disease, type 4J, 611228 (3) | 611228 | 3 |
| FIG4 | 6q21 | 609390 | R, REc, Fd | Amyotrophic lateral sclerosis 11, 612577 (3) | 612577 | 3 |
| FIG4 | 6q21 | 609390 | R, REc, Fd | Yunis-Varon syndrome, 216340 (3) | 216340 | 3 |
| FIG4 | 6q21 | 609390 | R, REc, Fd | ?Polymicrogyria, bilateral temporooccipital, 612691 (3) | 612691 | 3 |