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Test Catalog
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Familial Hemiplegic Migraine Type III (SCN1A) DNA Test (Target Exon Analysis) |
#189 |
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| Type of Disorder: |
Migraine |
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| Typical Presentation: |
Migraine with or without aura, attacks consisting of aura with reversible motor weakness, +/- an aura of of positive or negative visual or sensory symptoms, +/- dysphasic speech disturbances. |
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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: |
Familial Hemiplegic Migraine |
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| Test Details |
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| Test Code: |
189 |
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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 known mutations in the SCN1A gene |
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| Methodology: |
Polymerase Chain Reaction (PCR) and DNA Sequencing |
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| Reference Value: |
No sequence alteration detected. |
| 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(6), 83904(6), 83909(6), 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: |
10 ml |
| Collection Tube: |
Lavender top (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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