Summary of KRAS mutation status in 140 independent clinical specimens as determined with the Signature KRAS Mutations 7 assay at two sites
| Site 1 | Site 2 | Total | |
| KRAS negative | 47 | 11 | 58 |
| G12D, GAT | 13 | 6 | |
| G12V, GTT | 10 | 6 | |
| G13D, GAC | 8 | 5 | |
| G12S, AGT | 4 | 6 | 82 |
| G12A, GCT | 2 | 7 | |
| G12C, TGT | 2 | 6 | |
| G12R, CGT | 0 | 6 | |
| Double positive | 0 | 1 | |
| Total | 86 | 54 | 140 |