T-Cell Clonality

Tube Type = Yellow Top or Lavender Top

Tube Type

T-Cell Receptor Gene Rearrangement (TRG)

Test ID LAB5679
EPIC Order
T-CELL CLONALITY
CPT Codes 81342, G0452
Laboratory Molecular Genetics Laboratory
Tube Station 30
Specimen Routine: Performed on DNA extracted from blood and bone marrow. Blood (3mL) &/or bone marrow (1mL) must be collected in Yellow ACD-A tubes or Lavender EDTA tubes.
Do not use heparin. Frozen tissue (3mm cubed) and paraffin embedded tissue are also acceptable. See Comments
Availability Routine: Weekly; no Weekends/Holidays
Turnaround Time 14 days
Reference Range No T cell clone detected.
Comments

Please call Lab (984-974-1825) with questions. Test is ordered by the Molecular Genetics Lab.

Additional Information:

Reviewed by J. Carr on November 20, 2025

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514