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 |
| DUSP6 | 12q21.33 | 602748 | Psh, A, REc | Hypogonadotropic hypogonadism 19 with or without anosmia, 615269 (3) | 615269 | 3 |