DDIT3 (CHOP) (12q13) Gene Rearrangement by FISH
2007223
Ordering Recommendation
Use in conjunction with histologic and clinical information for the diagnosis of round cell/myxoid liposarcoma.
Mnemonic
CHOP FISH
Methodology
Fluorescence in situ Hybridization
Performed
Varies
Reported
4-12 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. Transport tissue block or 6 unstained 5-micron slides. (Min: 3 slides) Protect paraffin block from excessive heat.  Transport block(s) and/or slide(s) in a tissue transport kit (ARUP supply #47808) available online through eSupply using ARUP Connect™or contact ARUP Client Services at (800) 522-2787.  
Storage/Transport Temperature
Room temperature. Also acceptable: Refrigerated. Ship in cooled container during summer months.  
Unacceptable Conditions
Frozen specimens. 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.

See Compliance Statement A: www.aruplab.com/CS
Statement A: Analyte specific reagents (ASR) are used in many laboratory tests necessary for standard medical care and generally do not require U.S. Food and Drug Administration (FDA) approval or clearance. 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, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. This test should not be regarded as investigational or for research use.
 
Note
 
CPT Code(s)
88367
Components
Component Test Code*Component Chart Name
0049378DDIT3 (CHOP) by FISH
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • CHOP break apart FISH
  • CHOP rearrangement FISH
  • DDIT3 break-apart FISH
  • DDIT3 FISH probe
  • DDIT3 rearrangement FISH
  • t(12;16) translocation by FISH
  • t(12;22)translocation by FISH