T-CELL CLONALITY - T GAMMA (TGR)
: Molecular Diagnostics
: TGR, T cell gene rearrangement, TCR gamma gene rearrangement
: PCR and evaluated by gel electrophoresis
: Lavender top (EDTA)
: Whole blood, bone marrow, paraffin embedded tissue: block, 5-10 unstained slides or 5 curls (NOTE: slides and curls 10ìm thick with accompanying before and after cut H&E slides); purified DNA (1ìg), CSF
: Yellow top (ACDH) for blood or bone marrow
: 0.5 mL whole blood or bone marrow. Please call Molecular Diagnostics Laboratory at 615-343-8121 for other specimen type requirements.
: 4 mL (whole blood, bone marrow)
: 0.5 mL whole blood
: EDTAand ACDH tubes: room temperature or refrigerated, purified DNA: refrigerate or freeze, paraffin block: room temperature; CSF - refrigerate
: EDTA and ACDH tubes - Room temperature: 2 days Refrigerated: 3 days; Purified DNA - indefinitely @ -70°C; Paraffin block - indefinitely; CSF - call Molecular Diagnostics Lab at 615-343-8121
Reasons for Rejection
: Defcalcification (paraffin embedded tissue). Client will be notified by Molecular Diagnostics Lab if specimen is rejected.
: Once a week - variable days
: 7 - 14 days
: Detection of T Cell Clonality by PCR
: Call the Molecular Diagnostics Laboratory at 615-343-8121 if additional assistance is needed regarding specimen requirements or submission or if patient has received a transfusion in the prior 2 weeks.
Click here to print the Molecular Diagnostics requisition.
Search Options for the Test Directory:
1. Enter the test name in the Keyword search field.
Hint: You can also enter any part of the test name to expand the search.
(Example: you can type "west" or "sed" or "rate" to find Westergren Sedimentation Rate)
2. Enter the Vanderbilt Test Code, if known.
3. Choose one of the letter boxes to display a list of all test names and keywords starting with that letter.
If you are unable to find a test in our directory, please contact VPLS at
1-800-551-5227 or e-mail email@example.com.