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Lab Manual for Moffitt-Long and Mount Zion

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Ig Heavy-Chain Gene Rearrangement

Item Value
Approval req'd? No
Available Stat? No
Test code MOLT (Order in Apex as 'Miscellaneous Outside Lab Test' using the complete test name above)
Performed by Quest
Sendout? Yes
Method PCR
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.
Normal range Negative
Synonyms PCR
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
Entry Number 550

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

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