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T-Cell Gene Rearrangement
MessageCollect 1 of the samples below following standard collection proceduresBlood collected in a lavender EDTA or green NaHep tubeBone marrow collected in a lavender EDTA or green NaHep tubeTissue in formalin-fixed paraffin blockFresh tissue in sterile container 8 unstained positively charged slidesNeedle washings collected in alcohol based fixative
Test Code
LAB14242 TCLCN
Alias/See Also
TCLCN
CPT Codes
81479| 81340| 81342| 84999
Includes
@BKRCERMSGREFRESH(2302793)@ @BKRCERMSGREFRESH(2302794)@
Instructions
Processing Instructions (Lab use only): Do not reject specimens, send to laboratory for screening.Label unstained sections on glass slides with surgical case number (pathology report required, indicate if fixative is not formalin) Please include pathology report for frozen tissue and FFPE cases (partial/preliminary reports acceptable). Minimum Testing Volume: 3.0 mL Whole blood1.0 mL Bone marrow4 Slides1 BlockTransport Temperature: Frozen- Fresh tissueAmbient- All other samplesStability: Whole blood and bone marrowAmbient: 7 daysRefrigerated : 7 daysFrozen: N/A Paraffin blockAmbient: 5 yearsRefrigerated : 5 yearsFrozen: N/A Fresh TissueRoom temperature: N/A Refrigerated : N/A Frozen -70°C: 1 year
Report Available
7-Days
Clinical Significance
1230171015
Last Updated: May 18, 2026