Table 1

Extended RAS testing in the current guidelinescompared to previous recommended testing.

RAS testing(previous guidelines, 2009)			Extended RAS testing(current guidelines, 2017)
KRAS			KRAS and NRAS
Exon	Codon	Exon	Codon
2	12	2	12
		2	13
		3	59
	13	3	61
		4	117
		4	146