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Ig Heavy-Chain Gene Rearrangement
|Test code||MOLT (Order in Apex as 'Miscellaneous Outside Lab Test' using the complete test name above)|
|Container type||Lavender top|
|Amount to Collect||5 mL blood|
|Sample type||EDTA whole blood, Marrow, fresh frozen or formalin fixed tissue|
|Preferred volume||5 mL blood|
|Min. Volume||1 mL blood|
|Processing notes||Do NOT centrifuge blood-keep at room temperature; freeze tissue at -70C. Order Quest # 14868X.|
|Stability||Room temperature 1 week, refrigerated 1 week|
|Turn around times||Test set up Monday and Wednesday. Turnaround time: 8-10 days.|
|Additional information||Primarily used to confirm clonality in suspected B-cell lymphoma. Note clonal rearrangements of the Ig heavy chain gene is strongly supportive of a B-cell lineage but may be seen in rare T-cell lymphoma.
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.
|CPT coding||83890-90, 83898-90 x3, 83909-90 x3, 83912-90|
|Last Updated||2/20/2014 3:08:46 PM|
If you have additional questions regarding this test, please call: 415-353-1667