Molecular Diagnostics - T-Cell Clonality PCR

Test Description
Test Name	T-Cell Clonality PCR
Synonym(s)	T-Cell Receptor Gamma Chain PCR Gamma gene rearrangement T-Cell Receptor gene rearrangement
Description
Methodology	Polymerase Chain Reaction
Performed	As requested
Turnaround Time	2-5 days
Specimen Requirements	Specimen must arrive within 72 hours of collection (48 hours for ACD, unless FFPE). If available, a hematopathology report and H&E slide should accompany the specimen. Peripheral Blood: 1 mL whole blood in EDTA preferred. ACD is acceptable. Send specimen at room temperature or with cold pack (April - October). Bone Marrow: 1 mL bone marrow in EDTA preferred. ACD is acceptable. Send specimen at room temperature or with cold pack (April - October). Solid Tissue: 5x5x5 mm minimum or 500 mg of tissue. Specimen must be frozen within 1 hour of collection. Send specimen frozen and on dry ice. Paraffin Block: Formalin fixed only; not B-5 fixed.
Rejection Criteria	Clotted peripheral blood or bone marrow. Thawed tissue specimen. Specimens drawn in heparin will be rejected due to heparin's inhibitory nature to Taq Polymerase.
CPT Code(s)	83891, 83901x9, 83900, 83909x2, 83912 (Paraffin Blocks add 83907)
Reference Range	See interpretive report.
Contact	Molecular Diagnostics Lab (214) 645-7075 Customer Service (214) 645-7057 or Toll Free (877) 887-8136