T cell gene rearrangement-5453
Test info
T-cell receptor gamma rearrangement (TcRg)
Detection of clonal rearrangements of T cell receptor genes that are associated with malignant processes
Specimen
Immediatley following collection, mix sample thoroughly by gentle inverting 8 - 10 times, to prevent clotting
Lavender (EDTA), 4mL
Sodium citrate (Na cit) whole blood
Bone marrow
Tissue
Yellow ACD (A or B)
Lt blue Sodium citrate (Na Cit) - 2.7mL
Bone Marrow
Lavender (EDTA), 4mL
Fresh tissue
RPMI with Hepes/Pen strep/FBS -15 mL
Bone marrow 5.0cc (minimum 1.0cc)
Tissue 200mg
Bone marrow
- Submit entire specimen
Tissue
- Frozen preferred if not tested immediately
- Freeze as quickly as possible at -20 to -70°C
- Fresh tissues may be submitted in RPMI
- Best results when used within 3 days
- Recommended for tissues with high probability of immediate or pending orders
- Formalin fixed tissue in a paraffin block (B3 and B5 fixatives are not recommended)
Questions call (612) 863-4475
Yellow ACD (A or B)
Lt blue Sodium citrate (NaCit)
Tissue
RPMI with Hepes/Pen strep/FBS -15 mL
Formalin-fixed, paraffin embedded (FFPE) tissue block
Molecular Medicare billing request
Hospital clients submitting a request for this assay on an outpatient with Medicare should complete and submit a Molecular Medicare billing request form to notify us of the need for Allina Health Laboratory to bill insurance.
Whole blood or bone marrow:
Refrigerated (preferred)
Ambient (OK)
Tissue:
Ambient
- Improper label (unlabeled or mislabeled)
- Wrong container (anticoagulant or solution)
- Improper blood/anticoagulant ratio
- Delay in transport
- Improper storage
- Inappropriate timing of collection
- Interfering substances
- Leaking container
Performance
PCR and capillary electrophoresis
Clinical and Interpretive info
Billing
81342
Hospital clients submitting a request for this assay on an outpatient with Medicare should complete and submit a Molecular Medicare billing request form to notify us of the need for Allina Health Laboratory to bill insurance.