FISH for Chromosome 19q




Test Mnemonic

19Q

CPT Codes

  • 88377 - QTY (1)

Aliases

  • 19q Allelic loss by FISH

Performing Laboratory

Cleveland Clinic Laboratories


Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
TenSlide (s), unstainedClean container Ambient4 um formalin fixed paraffin-embedded tissue sections on electrostatically charged slides containing representative tumor. Samples must not be fixed in Prefer or B5.

Alternate Specimen Requirements

Volume Type Container Collect Temperature Transport Temperature Special Instructions
EightSlide (s), unstainedClean container Ambient4 um formalin fixed paraffin-embedded tissue sections on electrostatically charged slides containing representative tumor. Include either a pre and post H&E OR one paraffin block containing representative tumor.

Days Performed

Mon, Thu

Turnaround Time

3 - 5 days

Methodology

Name Description
Fluorescent In-Situ Hybridization (FISH) 

Special Info

4 um formalin fixed paraffin-embedded tissue sections on electrostatically charged slides containing representative tumor. Include either a pre and post H&E OR one paraffin block containing representative tumor.

Clinical Info

To determine allelic loss of chromosome 19q in malignant gliomas (brain tumor).