FISH, Oligodendroglioma, 1p/19q [16115X]

Test Code

16115

CPT Codes
88271 (x4), 88274 (x2)

Preferred Specimen

Formalin-fixed, paraffin-embedded tissue block (human oligodendroglioma tissue)

Instructions

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

Transport Temperature

Room temperature

Specimen Stability

Room temperature: See Collection Instructions
Refrigerated: See Collection Instructions
Frozen: Unacceptable

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 the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.

Setup Schedule

Set up: Daily; Report available: 5-7 days

Reference Range

See Laboratory Report

Clinical Significance

Oligodendroglioma tumors exhibit simultaneous deletions of 1p and 19q in two thirds of cases. These deletions have been associated with a favorable response to chemotherapy with long survival.

Performing Laboratory

Quest Diagnostics Nichols Institute-San Juan Capistrano, CA

33608 Ortega Highway

San Juan Capistrano, CA 92675-2042

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.