1 => The disorder is placed on the map based on its association with a gene, but the underlying defect is not known
2 => The disorder has been placed on the map by linkage; no mutation has been found
3 => The molecular basis for the disorder is known; a mutation has been found in the gene
4 => A contiguous gene deletion or duplication syndrome, multiple genes are deleted or duplicated causing the phenotype
| Gene Symbol | Chromosomal Location | Gene MIM number | Mapping Method | Phenotype | Phenotype MIM number | Phenotype Mapping Key |
| CTNNB1 | 3p22.1 | 116806 | A, REn, Psh, REc | Mental retardation, autosomal dominant 19, 615075 (3) | 615075 | 3 |
| CTNNB1 | 3p22.1 | 116806 | A, REn, Psh, REc | Colorectal cancer, somatic, 114500 (3) | 114500 | 3 |
| CTNNB1 | 3p22.1 | 116806 | A, REn, Psh, REc | Pilomatricoma, somatic, 132600 (3) | 132600 | 3 |
| CTNNB1 | 3p22.1 | 116806 | A, REn, Psh, REc | Ovarian cancer, somatic, 167000 (3) | 167000 | 3 |
| CTNNB1 | 3p22.1 | 116806 | A, REn, Psh, REc | Hepatocellular carcinoma, somatic, 114550 (3) | 114550 | 3 |
| CTNNB1 | 3p22.1 | 116806 | A, REn, Psh, REc | Medulloblastoma, somatic, 155255 (3) | 155255 | 3 |
| CTNNB1 | 3p22.1 | 116806 | A, REn, Psh, REc | Exudative vitreoretinopathy 7, 617572 (3) | 617572 | 3 |