TRG Gene Clonality by PCR with Interpretation
Label Mnemonic: TCLBLD, TCLBM, TRGGE
Epic code: LAB7360 for Blood, LAB8634 for Bone Marrow, LAB2487 for Tissue
Downtime form: A-1a Doctor/Provider Orders - Pathology Core and Specialty Care Nursery
Molecular Pathology
6240 RCP
384-9568
Specimen(s):
Blood, Bone Marrow and Tissue
Collection Medium:
Pink top tube 6 mL (K2-EDTA)
Minimum:
5 mL blood in a pink top, 1 mL bone marrow aspirate in a pink top, 3 cu mm of fresh frozen tissue or formalin-fixed, paraffin embedded tissue, body fluids in a pink top or lymph node aspirates in RPMI.
Delivery Instructions:
Submit specimen to laboratory as soon as possible after collection.
Testing Schedule:
Weekly
Turn Around Time:
7 working days
Reference Range:
None
Comments:
DNA extracted from bone marrow mononuclear cells or tissue is examined for rearrangement of T-cell receptor gamma (TCRG) genes.
Test Limitations:
Specimens fixed in B5 fixative are unsuitable for testing.
Methodology:
Multiplex Polymerase Chain Reaction (PCR) followed by Fluorescence Capillary Electrophoresis
CPT Code:
81342