Ordering Recommendation

Most sensitive method to detect IGH-BCL2 fusion in formalin-fixed, paraffin-embedded (FFPE) tissue specimens.

Mnemonic
BCL2_FISH
Methodology

Fluorescence in situ Hybridization (FISH)

Performed

Monday-Friday

Reported

3-7 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Tumor tissue.

Specimen Preparation

Formalin fix (10 percent neutral buffered formalin) and paraffin-embed specimen. Protect paraffin block from excessive heat. Transport tissue block or 5 unstained (3-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 is recommended by 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
N/A
CPT Codes

88366

Components
Component Test Code* Component Chart Name LOINC
3000608 BCL2 FISH Reference Number 89873-4
3000609 BCL2 FISH Source 31208-2
3000610 BCL2 FISH Result 77038-8
3000702 Total Cell Count 78236-7
3000703 Scoring Method 81304-8
* 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
  • IGH-BCL2 Fusion FISH
  • IGH-BCL2 rearrangement FISH
  • t(14;18) FISH
IGH-BCL2 Fusion, t(14;18) by FISH