Test Name:

TCF3::PBX1 (E2A::PBX1) t(1;19)

CPT Code:

81401

Turn Around Time:

24 – 72 hours

Clinical Application:

Detection and quantitative monitoring of the TCF3::PBX1 fusion transcripts, which are the molecular result of the t(1;19) translocation and can be used for quantitative minimal residual disease monitoring in ALL

Diagnosis and monitoring.

Methodology:

Real-Time Quantitative PCR, minimum sensitivity: 0.0%

E2A exon 13 – PBX1 exon2

Specimen Requirements:

RNA-based assays

Peripheral Blood: Minimum 2 mL in EDTA (purple top) preferred or 2 mL in sodium heparin (green top)

Bone Marrow: Minimum 2 mL in EDTA (purple top) preferred or 2 mL in sodium heparin (green top)

Storage and Transportation:

Please store and ship specimens at ambient temperatures.

Ship RNA-based assays within 24 hours for optimal results.

Please refer to our full specimen requirements at Hematologics/Specimen Requirements for additional information and for directions on the storage and shipping of extracted DNA or RNA.