Table 2.

Plasma EGFR genotyping methods by laboratories participating in pilot external quality assurance.

Laboratories	In vitro diagnostics	Laboratory-developed tests
	cobas z 480 + cobas EGFR Mutation Test v2	S5XL + Oncomine Lung cfDNA Assay	GeneReader + QIAGEN GeneRead QIAact Actionable Insights Tumor Panel
A	O
B	O
C	O		O
D	O
E	O
F	O	O
G	O