MDM2 Gene Amplification by FISH
3001301
Ordering Recommendation
Aid in the differential diagnosis between well-differentiated liposarcoma and benign lipoma in individuals diagnosed with or suspected of having well-differentiated liposarcoma based on tissue morphology.
Mnemonic
MDM2_FISH
Methodology
Fluorescence in situ Hybridization
Performed
Monday-Friday
Reported
3-7 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
- Patient Preparation
- Collect
- Tumor tissue.
- Specimen Preparation
- Formalin fix (10 percent neutral buffered formalin) and paraffin-embed tissue. Protect paraffin block from excessive heat. Transport block or 5 unstained (4-micron thick sections) positively charged slides in a tissue transport kit (ARUP supply #47808) available online through eSupply using ARUP Connect™ or contact ARUP Client Services at (800) 522-2787 (kit recommended but not necessary). (Min 2 slides)
- Storage/Transport Temperature
- Room temperature or refrigerated. Ship in cooled container during summer months.
- Unacceptable Conditions
- Specimens fixed or processed in alternative fixatives (alcohol, Prefer) or heavy metal fixatives (B-4 or B-5). No tumor in tissue. Decalcified specimens.
- Remarks
- Include surgical pathology report.
- Stability
- Ambient: Indefinitely; Refrigerated: Indefinitely; Frozen: Unacceptable
Reference Interval
By report
Interpretive Data
Refer to report.
Compliance Statement A: For laboratory developed tests using a manufacturer labeled ASR as the reagent providing the specificity of the assay. Analyte Specific Reagent. This test was developed and its performance characteristics determined by ARUP Laboratories. The U. S. Food and Drug Administration has not approved or cleared this test; however, the FDA has determined that such clearance or approval is not necessary.
Note
Hotline History
View Hotline History
CPT Code(s)
Components
| Component Test Code* | Component Chart Name | LOINC |
|---|---|---|
| 3000620 | MDM2 FISH Reference Number | |
| 3000621 | MDM2 FISH Source | |
| 3000622 | MDM2/CEP12 FISH Ratio | |
| 3000623 | Average MDM2 Signal Number per Cell | |
| 3000624 | Average CEP12 Signal Number per Cell | |
| 3000625 | MDM2 FISH Result | |
| 3000702 | Total Cell Count | |
| 3000703 | Scoring Method |
Aliases
- MDM2 FISH
- MDM2 Gene amplification