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 |
| TNNI3 | 19q13.42 | 191044 | REa, R | Cardiomyopathy, hypertrophic, 7, 613690 (3) | 613690 | 3 |
| TNNI3 | 19q13.42 | 191044 | REa, R | Cardiomyopathy, familial restrictive, 1, 115210 (3) | 115210 | 3 |
| TNNI3 | 19q13.42 | 191044 | REa, R | ?Cardiomyopathy, dilated, 2A, 611880 (3) | 611880 | 3 |
| TNNI3 | 19q13.42 | 191044 | REa, R | Cardiomyopathy, dilated, 1FF, 613286 (3) | 613286 | 3 |