Calculated mean and median variant frequencies, from data submitted by each laboratory
| Gene | Validated mean variant frequency (%) | Range of participant reported mean variant frequencies (%) | Range of participant reported median variant frequencies (%) |
| BRAF | 2.6 | 4.13–8.21 | 4.10–5.00 |
| EGFR | 2.6 | 3.62–8.84 | 4.00–7.59 |
| KIT | 4.2 | 7.00–17.00 | 5.99–17.40 |
| KRAS | 4.3 | 5.71–10.55 | 6.06–9.09 |
| NRAS | 7.4 | 11.85–16.16 | 11.43–15.74 |
| PDGFRA | 4.2 | 9.37–15.00 | 8.18–11.22 |
| PIK3CA | 4.7 | 10.00–17.80 | 9.41–17.00 |