FISH for TFE3
Test Mnemonic
TFE3FH
CPT Codes
- 88377 - QTY (1)
Includes
- LSI Xp11.23
Performing Laboratory
Cleveland Clinic Laboratories
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 slides | Paraffin block, formalin fixed | Slides | Ambient | Pre and Post H&E with two unstained slides with defined marked areas for analysis. |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 2 slides | Pre and Post H&E with two unstained slides with defined marked areas for analysis. |
Stability
| Environmental Condition | Description |
|---|---|
| Ambient | FFPE slides at room temperature |
Days Performed
5 days per week
Turnaround Time
5 - 7 days
Methodology
| Name | Description |
|---|---|
| Fluorescent In-Situ Hybridization (FISH) |
Clinical Info
Interphase FISH analysis utilizing a dual color, break-apart probe for the TFE3 gene at Xp11.23. This is useful in the identification and accurate classification of renal cell carcinomas. The translocation partner gene cannot be identified in this assay. If no cells are available for analysis, no analysis charges will be incurred.