11 days
Polymerase chain reaction (PCR)
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Tests for clonal rearrangement of IGH genes. Common in B-cell lymphomas and leukemias.
Whole Blood, Bone Marrow, formalin-fixed paraffin-embedded (FFPE) tissue block or Slides fresh or Frozen tissue
3 to 5 mL whole blood, 1 mL bone marrow, five unstained slides at 10 μM or formalin-fixed, paraffin-embedded tissue block, tissue in RPMI or frozen
Lavender-top (EDTA) tube, yellow-top (ACD) tube, green-top (heparin) tube, tan-top (K2-EDTA) tube and pink-top (K2-EDTA) tube, FFPE tissue block or slides, tissue in RPMI or frozen
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
Fresh tissue should be placed in RPMI medium or shipped frozen on dry ice. Small samples (e.g., punch biopsies, fine-needle aspirates) will also be accepted. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate specimens for each test requested.
| Temperature | Period |
|---|---|
| Refrigerated | blood, bone marrow or tissue in RPMI |
| Frozen | Tissue |