| Locus (OMIM) | Gene (OMIM) | Key Reference (Pubmed) |
|---|---|---|
| DFNX1* | PRPS1 | Liu et al., 2010 |
| DFNX2 | POU3F4 | De Kok et al., 1995 |
| DFNX4 | SMPX | Schraders et al., 2011; Huebner et al., 2011 |
| DFNX5 | AIFM1 | Zong et al., 2015 |
| DFNX6 | COL4A6 | Rost et al., 2014 |
*Previous nomenclature designated X-linked loci as DFN but this has been changed to DFNX