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Specimen Collection Manual and Test Catalog

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MEN2 (RET) DNA SEQUENCING TEST

Geisinger Epic Procedure Code:  LAB1174    Geisinger Epic ID:  52621

SPECIMEN COLLECTION
Specimen type: 

Whole blood


Preferred collection container: 
Specimen required: 

Adult: 8 mL whole blood; minimum 6 mL. Pediatric: 2 mL whole blood; minimum 1 mL.


Special notes: 

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 have higher WBC, yielding more DNA per mL of blood.



SPECIMEN PROCESSING
Transport temperature: 

Room temperature. Avoid freezing. Hemolysis may compromise DNA recovery and integrity after 48 hours.


Specimen stability: 

Room temperature: 10 days. Refrigerated: 10 days. Frozen: Unacceptable.



TEST DETAILS
CPT code(s):  81406
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
Sanger Sequencing
Synonyms: 

Quest test code 900609 MEN2 (RET)


Clinical significance: 

Disease(s) tested for: Multiple Endocrine Neoplasia Type 2, Familial Medullary Thyroid Cancer, Pheochromocytoma.


Review Date:  12/09/2024

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