The UltraSEEK® Colon Panel enables study of disease progression and resistance in colorectal cancer. Detect over 100 clinically relevant variants across BRAF, EGFR, KRAS, NRAS and PIK3CA. Indentify variants at as low as 0.1% variant allele frequency. se as little as 10 ng of cfDNA. 1 hour of hands-on time and 8 hours of total time