Methodology
Polymerase Chain Reaction; Fragment Analysis
Synonyms
T-Cell Receptor (TCR) Gene Rearrangement, Qualitative, Cell-based; T Cell Gamma; T Cell Beta
Specimen Type
Whole Blood or Bone Marrow
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
Other Reference Test
Lab Test Days
Daily
Standard TAT
5 Days
Collection Information
Specimen Required
3-5 mL Whole Blood or 0.5-1 mL Bone Marrow
Container Type
Lavender (EDTA)
Collection Instructions
Bone marrow collected in a sodium heparin (green-top) tube is also acceptable. Formalin-fixed, paraffin embedded tissue, Tissue in a sterile transport tube or Fine needle aspirate (FNA) are also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Ambient-OK
Specimen Stability
Room Temp=7 Days (Indefinite for Formalin fixed paraffin embedded tissue); Refrigerated=7 Days (Indefinite for Formalin fixed paraffin embedded tissue); Frozen=Unacceptable (1 Year for Tissue or Fine Needle Aspirate (FNA)
Test Volume Required
5 mL Whole Blood or 1 mL Bone Marrow
Minimum Test Volume
3 mL Whole Blood or 0.5 mL Bone Marrow
Processing Instructions
Indicate source in comments, on specimen and on batch sheet.
Included Tests
Pathologist Interpretation.
Comments
CSF can be attempted if approved by the Medical Director at Quest prior to submitting specimen. Insurance authorization required prior to draw for Outpatients. Ok to send on Inpatients.
CPT Codes
81342, 81340, 84999
Revised
05-26-20
Initials
SL