FISH, X-Linked Ichthyosis Steroid Sulfatase Deficiency

Test Code
14607


CPT Codes
88271, 88273

Preferred Specimen
5 mL whole blood collected in a sodium heparin (green-top) tube


Minimum Volume
1 mL whole blood • 1 mL amniotic fluid • 1 mg CVS


Other Acceptable Specimens
Whole blood collected in: Sodium heparin (royal-blue top) tube or sodium heparin lead-free (tan-top) tube • Amniotic fluid collected in: Sterile container • 5 mg CVS collected in: Culture media


Instructions
3-5 mL whole blood collected in a sodium heparin tube


Transport Temperature
Room temperature


Specimen Stability
Specimen viability decreases during transit. Send specimen to testing laboratory 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
Set up: Daily; Report available: 5-7 days




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.