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 |
| G6PC3 | 17q21.31 | 611045 | REc | Neutropenia, severe congenital 4, autosomal recessive, 612541 (3) | 612541 | 3 |
| G6PC3 | 17q21.31 | 611045 | REc | Dursun syndrome, 612541 (3) | 612541 | 3 |