| COL1A1, COL1A2 | Osteogenesis imperfecta, type 1 (MIM 166200) |
| Osteoporosis (MIM 166710) |
| Ehlers-Danlos syndrome type VII autosomal dominant (130060) |
| COL2A1 | Severe chondrodysplasias |
| Osteoarthritis (MIM 165720) |
| COL3A1 | Ehlers-Danlos syndrome type IV (MIM 130050) |
| COL4A3–COL4A6 | Alport syndrome (including both autosomal and X-linked forms) (MIM 104200) |
| COL7A1 | Epidermolysis bullosa, dystrophic (MIM 131750) |
| COL10A1 | Schmid metaphysial chondrodysplasia (MIM 156500) |
| Lysyl hydroxylase | Ehlers-Danlos syndrome type VI (MIM 225400) |
| Procollagen N-proteinase | Ehlers-Danlos syndrome type VII autosomal recessive (MIM 225410) |
| Lysyl hydroxylase | Menkes disease (MIM 309400) |