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Neurofibromatosis Type 2 DNA Sequencing Test
Test Code11612
CPT Codes
81406
Preferred Specimen
8 mL whole blood collected in two EDTA (lavender-top) tubes
Pediatric (0-3 years): 2 mL
Pediatric (0-3 years): 2 mL
Minimum Volume
6 mL • Pediatric: 1 mL
Instructions
Informed consent is required. Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Note: Higher blood volumes ensure adequate DNA quantity, which varies with WBC, specimen condition, and need for confirmatory testing. Patients, 0-3 years have higher WBC, yielding more DNA per mL of blood.
Contact lab director for alternate specimen type.
Note: Higher blood volumes ensure adequate DNA quantity, which varies with WBC, specimen condition, and need for confirmatory testing. Patients, 0-3 years have higher WBC, yielding more DNA per mL of blood.
Contact lab director for alternate specimen type.
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 10 days
Refrigerated: 10 days
Frozen: Unacceptable
Refrigerated: 10 days
Frozen: Unacceptable
Methodology
Sanger Sequencing
Setup Schedule
Set up: Varies; Report available: 14-28 days
Reference Range
No mutation detected
Clinical Significance
Detects sequence variations in the NF2 gene.
Diseases tested for: Neurofibromatosis Type 2
Diseases tested for: Neurofibromatosis Type 2
