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MEN2 (RET) DNA Sequencing Test
Test Code900609
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 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 may have higher WBC, yielding more DNA per mL of blood.
Shipping conditions: Avoid freezing. Hemolysis may compromise DNA recovery and integrity after 48 hours.
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 may have higher WBC, yielding more DNA per mL of blood.
Shipping conditions: Avoid freezing. Hemolysis may compromise DNA recovery and integrity after 48 hours.
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
Disease(s) tested for: Multiple Endocrine Neoplasia Type 2, Familial Medullary Thyroid Cancer, Pheochromocytoma.
