| Locus (OMIM) | Chrom Location | Gene (OMIM) | Key Reference (PubMed) |
|---|---|---|---|
| DFNX1* | Xq22 | PRPS1 | Liu et al., 2010 |
| DFNX2 | Xq21.1 | POU3F4 | De Kok et al., 1995 |
| DFNX3 | Xp21.2 | unknown | Schraders et al., 2011; Huebner et al., 2011 |
| DFNX4 | Xp22 | SMPX | del Castillo et al., 1996 |
| DFNX5 | Xq26.1 | AIFM1 | Zong et al., 2015 |
| DFNX6 | Xq22.3 | COL4A6 | Rost et al., 2014 |
*Previous nomenclature designated X-linked loci as DFN but this has been changed to DFNX.