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 |
|---|---|---|---|---|---|
| Ten | Slide (s), unstained | Clean container | Ambient | 4 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 |
|---|---|---|---|---|---|
| Eight | Slide (s), unstained | Clean container | Ambient | 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. |
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).