LOINC display name : 19q chromosome del/19p chromosome del FISH (Tiss) [# ratio];
LOINC long common name : 19q/19p chromosome deletion [# Ratio] in Tissue by FISH;
LOINC short name : 19q/19p Chrom Del Tiss FISH;
LOINC description : The ratio of chromosome 19q arm deletions to chromosome 19p arm deletions. Results
are used to diagnose oligodendroglioma brain tumors and to determine best treatment
options. Tumors with 19q/19p ratio 0.80 and 26% deleted cells are deemed deleted
for 19q.;