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Test Catalog
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Paraplegin (SPG7) DNA Sequencing Test |
#632 |
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| Type of Disorder: |
Motor Neuron Disease |
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| Typical Presentation: |
Insidiously progressive spasticity and weakness of the legs, urinary urgency and high arched feet are often present; clinical variability between family members with the same mutation may exist. SPG7 is associated with both pure and complicated forms of HSP. Gene mutations are associated with adult onset, insidiously severe and progressive lower limb weakness and spasticity; variable age of onset, cerebellar signs, optic atrophy, and neuropathy. |
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| Indications for Testing: |
To confirm a specific diagnosis or prognosis of known paraplegin (SPG7) - related HSP. |
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| Disease(s) tested for: |
Hereditary Spastic Paraplegia |
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| Test Details |
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| Test Code: |
632 |
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| Profiles that contain this test: |
Autosomal Recessive Hereditary Spastic Paraplegia Evaluation, Complete Hereditary Spastic Paraplegia 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: |
Detect mutations in Paraplegin (SPG7) providing ability to confirm a specific diagnosis. |
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| Methodology: |
Polymerase Chain Reaction (PCR) and DNA Sequencing |
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| Reference Value: |
No mutations 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(17), 83904(17), 83909(17), 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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| Shipping Conditions: |
Room temperature, avoid freezing, ship within 24 hours Monday - Friday |
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| Test Turnaround: |
4-6 weeks |
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