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Notch3 DNA Sequencing Test #421
Type of Disorder: Cerebrovascular Disease
Typical Presentation: Hereditary cause of stroke, dementia, migraine with aura, mood disorders
Disease(s) tested for: CADASIL (Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts and Leukoencephalopathy)
Test Details
Test Code: 421
Informed Consent Required: Yes
Special Notes: Athena sequences all 23 exons where all known mutations for CADASIL have been found.
Technical Information
Utility: Detects mutations in the Notch3 gene
Methodology: Polymerase Chain Reaction (PCR) and DNA sequencing
Reference Value: No mutation detected
Patents: 6,995,257, 6,537,775, 7,138,234
CPT Coding
The CPT codes provided 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 payer being billed.
CPT 2013: 81406(1)
Shipping Considerations
Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form.
Preferred Specimen Requirements
Type: Whole blood
Minimum Volume: 10ml
Collection Tube: Lavender top (EDTA)
Storage Conditions: Refrigerate, avoid freezing
Shipping Conditions: Room temperature. Ship within 24 hours, Monday -Thursday only.
Test Turnaround: 28-42 days
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