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T Cell Receptor, Gamma, Gene Rearrangement
|Method||PCR, Capillary Electrophoresis|
|Amount to Collect||
|Sample type||EDTA whole blood (heparinized acceptable), Bone marrow, Fresh frozen or formalin fixed tissue|
|Preferred volume||2 mL blood|
|Min. Volume||1 mL blood|
|UCSF Rejection Criteria||Clotted sample|
|Processing notes||Do Not centrifuge blood or bone marrow. Refrigerate blood and marrow samples and ship refrigerated
Ship fresh frozen tissue with dry ice.
Store and ship tissue blocks at room temperature.
Order Quest # 15930X.
|Ref Lab Rejection Criteria||Frozen or clotted blood sample|
|Normal range||Negative for clonal gene rearrangement|
|Synonyms||T Cell Clonality; TCR; PCR|
|Stability||Blood and bone marrow: Room temperature 1 week, refrigerated 2 weeks.
Tissue samples: frozen 1 year, paraffin embedded formalin fixed indefinitely
|Turn around times||Test run Saturday-Friday Am. Turnaround time: 2-5 days|
|Additional information||This assay is useful for establishing clonality of T-cell receptor gene rearrangement for the diagnosis of T-cell lymphoid neoplasms and identification of minimal residual disease or early recurrence in patients with previous diagnosis of T-cell neoplasm.
This test was developed and its performance characteristics determined by Quest Diagnostics-Nichols Laboratories. It has not been cleared or approved by the U.S. Food and Drug Administration. The FDA has determined that such clearance or approval is not necessary.
|CPT coding||83891-90, 83898-90 x2, 83909-90, 83912-90|
|Last Updated||9/15/2011 3:46:35 PM|
If you have additional questions regarding this test, please call: 415-353-1667