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Laboratory Test Reference Guide

Laboratory Information

Test Name

BCL2 breakapart (FISH)


18q32 (BCL2) deletions/ rearrangements

External Price (excl. GST)


Price Comment

Includes culture processing charge.

Specimen Collection

Specimen Collection and Transport Protocols

2 - 10 ml bone marrow aspirate in RPMI, Bone marrow trephine in RPMI

4 ml Heparin (Dark green) Whole blood sterile. Do not centrifuge or freeze. 

Blood Samples are preferred for CLL  and ?LPN patients with peripheral lymphocytosis. 

For other disorders, peripheral blood is suitable if there are >10% blasts in circulation. 

Adult Specimen

Sample Delivery to Lab

Ambient on day of collection. Refrigerate overnight or weekend then send ambient.

Test Information



Laboratory Turnaround Time

Urgent 5 days, Non Urgent 18 days


Flourescence in situ hybridisation (FISH) with BCL2 specific probes.

Uncertainty of measurement

Refer to report

Diagnostic Use Or Instructions

Detect and characterise 18q21 chromosome rearrangements.

Electronic Information

Registration Code


HL7 mapping code