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XX/XY SEX MISMATCH, FISH
Test CodeLAB1238026
CPT Codes
88271x2, 88275, 88291
Preferred Specimen
Bone Marrow: 0.5-1 mL aspirate in dark green top tube (sodium heparin) or
Blood: 2-3 mL whole blood in a dark green top tube(sodium heparin)
Pediatric: 1-2 mL whole blood in a dark grenn top tube (sodium heparin)
Blood: 2-3 mL whole blood in a dark green top tube(sodium heparin)
Pediatric: 1-2 mL whole blood in a dark grenn top tube (sodium heparin)
Minimum Volume
Bone Marrow: 0.5mL aspirate (sodium heparin) or
Blood: 1-2 mL whole blood in a dark green top tube(sodium heparin)
Blood: 1-2 mL whole blood in a dark green top tube(sodium heparin)
Other Acceptable Specimens
Lavender top (EDTA) acceptable for FISH only (no Karyotype ordered) samples.
Instructions
Place in cytogenetics bucket near chemistry
Transport Temperature
Ambient or refrigerated (prolonged transport conditions)
Specimen Stability
Bone Marrow: Ambient(preferred)
Refrigerated (accepted)
Refrigerated (accepted)
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Insufficient or clotted sample, more than 4 days old when received in laboratory.
Methodology
Fluorescent In Situ Hybridization (FISH)
Setup Schedule
Samples processed Monday through Saturday. Results reported Monday through Friday
Reference Range
An interpretive report will be provided
Performing Laboratory
West Virginia University Hospital, Inc.