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T-Cell Receptor Beta Gene Rearrangement

Item Value
Available Stat? No
Test code TCRB
Performed by Quest
Sendout? Yes
Method PCR
Container type Lavender top
Amount to Collect
Blood 5 mL
Marrow 1 mL
Sample type Whole blood, bone marrow
Preferred volume
Whole blood 5 mL
Marrow 1 mL
Processing notes Do not aliquot or freeze. Store ambient and transport to CB. Order Quest test code 91446.
Normal range
Synonyms TCR Beta; T-cell clonality
Stability Room temperature 1 week, Refrigerated 1 week.
Turn around times 5 - 7 days
Additional information This assay which interrogates the T-cell receptor beta locus (TCRB) by a PCR method based on the BIOMED-2 consensus, is useful for establishing clonality of T-cell lymphoid neoplasms and identification of minimal residual disease or early recurrence in patients with a previous diagnosis of a T-cell neoplasm. It can be used in association with T-cell receptor (TCR) gamma PCR assay (Test code 90509), since false-negative results can occur in up to 5-10% of T-cell malignancies with TCRB PCR alone.
CPT coding 81340-90, 84999-90
Last Updated 8/7/2014 9:51:21 AM
Entry Number 1577
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