ATHENA #235 TTR DNA SEQUENCE TEST

Message
QUEST-> ATHENA LABS


Test Code
ATHENA #235


Alias/See Also
ATHENA #235, TTR DNA SEQUENCING


CPT Codes
81404

Preferred Specimen
WHOLE BLOOD


Minimum Volume
8mLs


Instructions
DRAW 2 LAV TOP TUBES AND SEND TO LAB. TEST IS ORDERED TO QUEST TC 14759 TO ATHENA TC 235 SEND WHOLE BLOOD TO QUEST.*** HAS TO BE APPROVED BY PATHOLOGIST PRIOR TO SENDING OUT!!!


Transport Container
ORIGINAL TUBES


Transport Temperature
REFRIGERATED


Specimen Stability
Room temperature: 10 days, Refrigerated: 10 days, Frozen: Unacceptable


Methodology
Sanger Sequencing

Report Available
14-28 days


Reference Range
No sequence variants detected


Clinical Significance
Detects sequence variants in the Transthyretin (TTR) gene

Typical Presentation: Individuals may present with one or more of distal limb sensory motor neuropathy, autonomic neuropathy, nephropathy, cardiopathy, arrhythmias, gastrointestinal abnormalities and carpal tunnel syndrome
Higher blood volumes ensure adequate DNA quantity, which varies with WBC, specimen condition, and need for confirmatory testing.


Performing Laboratory
ATHENA DIAGNOSTICS 200 Forest Street, 2nd Floor Marlborough, MA 01752 Phone (508) 756-2886

Additional Information
TTR DNA SEQUENCING TEST


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.