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Test Catalog
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Familial Hemiplegic Migraine Type I (CACNA1A) DNA Test |
#187 |
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| Type of Disorder: |
Migraine |
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| Typical Presentation: |
Migraine, Migraine with Aura, Reversible Hemiparesis, Atypical Migraine, Familial Involvement, Ataxia |
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| Indications for Testing: |
Diagnostic, Familial Involvement, Migraine with aura, Migraine accompanied with reversible hemiparesis |
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| Disease(s) tested for: |
Familial Hemiplegic Migraine, Familial Migraine, Migraine with aura, Migraine, FHM Type 1 |
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| Test Details |
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| Test Code: |
187 |
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| Profiles that contain this test: |
Hemiplegic Migraine Evaluation
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| Informed Consent Required: |
Yes |
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| Medicare ABN Required: |
Yes |
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| Technical Information |
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| Utility: |
Detects point mutations in the CACNA1A genes |
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| Methodology: |
Polymerase Chain Reaction (PCR) and DNA sequencing |
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| Reference Value: |
No sequence variation detected |
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| Patents: |
5,714,319 |
| CPT Coding |
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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.
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| Stacked CPT Code(s): |
83891(1), 83898(54), 83904(54), 83909(54), 83912(1) |
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| Tiered CPT Code(s): |
81280 |
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| Shipping Considerations |
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| Please label each specimen tube with two forms of patient identification. These forms of identification must also appear on the requisition form. |
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| Preferred Specimen Requirements |
| Minimum Volume: |
10ml |
| Collection Tube: |
Lavender (EDTA) |
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| Storage Conditions: |
Refrigerate, Avoid Freezing |
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| Shipping Conditions: |
Room temperature, avoid freezing. Ship within 24 hours, Monday -Thursday only |
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| Test Turnaround: |
28 days |
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