LOINC display name : 1p chromosome del/1q chromosome del FISH (Tiss) [# ratio];
LOINC long common name : 1p/1q chromosome deletion [# Ratio] in Tissue by FISH;
LOINC short name : 1p/1q Chrom Del Tiss FISH;
LOINC description : The ratio of chromosome 1p arm deletions to chromosome 1q arm deletions. Results are
used to diagnose oligodendroglioma brain tumors and to determine best treatment options.
Tumors with 1p/1q ratio 0.80 and 24% deleted cells are deemed deleted for 1p.;