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FISH, X-Linked Ichthyosis Steroid Sulfatase Deficiency
Test Code14607
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
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 • 5 mL 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 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
P.M.