1 => Disorder placed on map based on association with a gene; defect unknown
2 => Disorder placed by linkage; no mutation found
3 => Molecular basis known; mutation found in gene
4 => Contiguous gene deletion/duplication syndrome
| Gene Symbol | Chromosomal Location | Gene MIM number | Mapping Method | Phenotype | Phenotype MIM number | Phenotype Mapping Key |
| PTPRC | 1q31.3-q32.1 | 151460 | A, S | {Hepatitis C virus, susceptibility to}, 609532 (3) | 609532 | 3 |
| PTPRC | 1q31.3-q32.1 | 151460 | A, S | Severe combined immunodeficiency, T cell-negative, B-cell/natural killer-cell positive, 608971 (3) | 608971 | 3 |