FISH, Chromosome-Specific Probe (x1), Follow-up Study

Test Code

40047

CPT Codes
88271, 88273

Physician Attestation of Informed Consent

This germline genetic test requires physician attestation that patient consent has been received if ordering medical facility is located in AK, DE, FL, GA, IA, MA, MN, NV, NJ, NY, OR, SD or VT or test is performed in MA.

Preferred Specimen

3 mL bone marrow or 5 mL whole blood collected in a sodium heparin (green-top) tube

Minimum Volume

1 mL bone marrow • 3 mL whole blood

Other Acceptable Specimens

Sodium heparin (royal blue-top) tube • Sodium heparin lead-free (tan-top) tube

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 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: Mon-Sat; Report available: 7 days

Reference Range

See Laboratory Report

Clinical Significance

Test is for familial investigation on the clinical
significance of DNA copy number changes found by aCGH and
confirmed by FISH.

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.