Test Name: B-Cell & T-Cell Gene Rearrangement 


Methodology: Molecular Genetics


Test Description

PCR for detection of clonal IgH, Ig kappa, and T cell receptor gene gamma gene rearragements.


Specimen Requirements

•Peripheral blood: 4 mL in EDTA tube.
•Bone marrow: 2 mL in EDTA tube.
•FFPE tissue: Paraffin block is preferred. Alternatively, send 1 H&E slide plus 5-10 unstained slides cut at 5 or more microns. Please use positively-charged slides and 10% NBF fixative. Do not use zinc fixatives.
•Fresh tissue: Two pieces minimum, 0.2 cm3 in RPMI.


Storage and Transport

Refrigerate fresh tissue until shipping. For all specimens, use cold pack for transport. Make sure cold pack is not in direct contact with specimen.


Specimen Rejection Criteria

Click here to reference the specimen rejection criteria.


Turn Around Time (TAT): 7 Days


CPT Codes*: 81402, 81479(x2)


*The CPT codes provided with our Test Descriptions are based on AMA guidelines and are for informational purposes only. Correct CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed.