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POLG DNA Sequencing Test (Alper's Syndrome)

Test Code
901334


CPT Codes
81406<br>Restricted Client Code

Preferred Specimen
8 mL whole blood collected in two EDTA (lavender-top) tubes
Pediatric (0-3 years): 2 mL whole blood


Minimum Volume
6 mL • Pediatric: 1 mL


Instructions

Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.

Avoid freezing.

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.



Transport Temperature
Room temperature


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


Methodology
Next Generation Sequencing

Setup Schedule
Set up: Varies; Report available: 21-28 days


Reference Range
See Laboratory Report


Clinical Significance
Detection of sequence variants of POLG.




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.