oSolutions™ EGFR 4 exon mutations (SR) kit is a qualitative detection system for mutations present in exon 18 (G719X), exon 20 (S768I, C797S, T790M) and exon 21 (L858R/L861Q), as well as deletions in exon 19 (Del19) of the Epidermal Growth Factor Receptor (EGFR) gene.