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Test Catalog
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Alexander Disease (GFAP) DNA Sequencing Test |
#549 |
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| Type of Disorder: |
Epilepsy |
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| Typical Presentation: |
Infants: Seizures, megalencephaly, developmental delay, spasticity
Juveniles and Adults: Signs of brain stem abnormalities and spasticity with or without megalencephaly or seizures |
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| Disease(s) tested for: |
Alexander Disease |
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| Test Details |
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| Test Code: |
549 |
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| Informed Consent Required: |
Yes |
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| Medicare ABN Required: |
No |
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| Technical Information |
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| Utility: |
Detects mutation in GFAP gene |
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| Methodology: |
DNA Sequencing |
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| Reference Value: |
No mutation 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(10), 83904(10), 83909(10), 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 (Pediatric minimum: 2 ml) |
| Collection Tube: |
Lavender top (EDTA) |
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| Storage Conditions: |
Do not freeze, refrigerate |
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| Shipping Conditions: |
Room temperature, avoid freezing |
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| Test Turnaround: |
21 days |
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