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FISH, X/Y, Post Opposite Sex Bone Marrow Transplant
Test Code14619
CPT Codes
88275, 88271 (x2)
Includes
If results are not possible, the test order may be canceled and replaced with a Cytogenetics Communication.
Preferred Specimen
5 mL whole blood collected in a sodium heparin (green-top) tube, or
3 mL bone marrow collected in a sodium heparin (green-top) tube
3 mL bone marrow collected in a sodium heparin (green-top) tube
Minimum Volume
1 mL
Other Acceptable Specimens
Whole blood or bone marrow collected in: Sodium heparin (royal blue-top) or sodium heparin lead-free (tan-top) tube
Instructions
Clinical history and reason for referral and prior transplant history are required with submitted specimen.
Specimen Requirements: Bone marrow 1-3 mL, or whole blood 3-5 mL collected in a sodium heparin tube.
Specimen viability decreases during transit. Send specimen to testing laboratory for viability determination. Do not freeze. Do not reject.
Specimen Requirements: Bone marrow 1-3 mL, or whole blood 3-5 mL collected in a sodium heparin tube.
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
Refrigerated: See instructions
Frozen: See instructions
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received frozen
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
Clinical Significance
Fluorescence in situ hybridization (FISH) test useful in determining the percentage of bone marrow or blood cells from donor and recipient in mismatched sex bone marrow transplant patients.
Performing Laboratory
Quest Diagnostics Nichols Institute
14225 Newbrook Dr
Chantilly, VA 20153