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Test Catalog
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Hemiplegic Migraine Evaluation |
#190 |
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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, family history, known or suspected hemiplegic migraine in patients without family history. Migraine with or without aura accompanied by fully reversible motor weakness and hematosensory symptoms. |
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| Disease(s) tested for: |
Hemiplegic Migraine (sporadic or familial) |
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| Test Details |
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| Test Code: |
190 |
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| Profile includes: |
Familial Hemiplegic Migraine Type I (CACNA1A) DNA Test, Familial Hemiplegic Migraine Type II (ATP1A2) DNA Test, Familial Hemiplegic Migraine Type III (SCN1A) DNA Test (Target Exon Analysis)
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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, ATP1A2 and SCN1A 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(83), 83904(83), 83909(83), 83912(1) |
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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 |
| Type: |
Whole blood |
| 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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