FISH, N-myc Amplification, Neuroblastoma

Test Code

14621

CPT Codes
88271 (x2), 88275

Preferred Specimen

1 mm tumor biopsy collected in a sterile leak-proof container, or
5 mL bone marrow collected in a sodium heparin (green-top) tube, or
Formalin-fixed, paraffin-embedded tissue

Minimum Volume

1 mm tumor biopsy • 3 mL bone marrow

Other Acceptable Specimens

Formalin-fixed, paraffin-embedded slides • Bone marrow collected in sodium heparin (royal blue-top) or sodium heparin lead-free (tan-top) tube

Instructions

Clinical history and reason for referal are required with test order.

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

Transport Temperature

Room temperature

Specimen Stability

Room temperature: See instructions
Refrigerated: See instructions
Frozen: See instructions

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 days

Reference Range

See Laboratory Report

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.