>90% 5-7 days
Deletions in: Exon 19, G719Xaa, S7681, L858R, L861Q, T790M, (3) Exon 20 insertions
Please note tissue handling, tissue fixation, time between cutting and staining and excessive drying can lead to loss of expression. Fixatives containing alcohol should not be used and use of Bouin’s fixative will preclude testing by FISH methods.
A copy of the original Pathology report where possible.