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T Cell Receptor, Gamma, Gene Rearrangement

Item Value
Approval req'd? No
Available Stat? No
Test code MOLT
Performed by Quest
Sendout? Yes
Method PCR, Capillary Electrophoresis
Container type
Blood Lavender top or Dark Green top
Bone marrow Dark green top or Yellow top (ACD)
Amount to Collect
Blood 2 mL
Bone marrow 2 mL
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
Entry Number 882

If you have additional questions regarding this test, please call: 415-353-1667

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