FISH, B-Cell Malignancy, IGH, 14q32 Rearrangement

Test Code

17348

CPT Codes
88271 (x2), 88275

Preferred Specimen

5 mL whole blood or 3 mL bone marrow collected in a sodium heparin (green-top) tube
5x5 mm fresh tissue collected in a culture transport media or formalin-fixed paraffin-embedded tissue

Minimum Volume

1 mL

Other Acceptable Specimens

Whole blood or bone marrow collected in: Sodium heparin (royal blue-top) tube or sodium heparin lead-free (tan-top) tube • Fresh tissue: Culture transport media or sterile container with Hanks' or Ringers solution

Transport Container

Sodium heparin (green-top) tube
Formalin-fixed paraffin embedded tissue

Transport Temperature

Room temperature

Specimen Stability

Specimen viability decreases during transit. Send specimen to testing lab for viability determination. Do not freeze. Do not Reject.

Methodology
Fluorescence in situ Hybridization (FISH)

FDA Status
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Daily

Report Available

14 days

Reference Range

See Laboratory Report

Clinical Significance

The splitting of IgH region of chromosome 14q32 is frequently implicated in translocations seen in a variety of hematological malignancies of B-cell origin.

Performing Laboratory

Quest Diagnostics Nichols Institute-Chantilly VA

14225 Newbrook Drive

Chantilly, VA 20151-2228

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.