List of genes and chromosomal loci associated with DCM
| Transmission | Association | Locus | Genes |
| Pure form | 1q32 | ? | |
| Pure form | 2q31 | ? | |
| Pure form | 2q35 | Desmin | |
| Pure form | 9q13-22 | ? | |
| Autosomal | Pure form | 15q15 | Cardiac actin |
| Dominant | Conduction disorders | 1p21.2 | Lamin A/C |
| Myopathy | 1p21.2 | Lamin A/C | |
| Conduction disorders | 2q14-22 | ? | |
| Conduction disorders | 3p22 | ? | |
| Conductin disorders + myopathy | 6q23 | ? | |
| Sensorineural hearing loss | 6q23-24 | ? | |
| Mitral valve prolapsus | 10q21-23 | ? | |
| Autosomal recessive | ? | ? | |
| X-linked | Xp21 | Dystrophin | |
| Barth syndrome | Xq28 | Tafazzin |