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Test Catalog
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Connexin 26 DNA Sequencing Test |
#321 |
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| Type of Disorder: |
Hearing Loss |
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| Typical Presentation: |
Pediatric nonsyndromic hearing loss |
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| Disease(s) tested for: |
Hearing loss, Deafness |
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| Test Details |
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| Test Code: |
321 |
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| Profiles that contain this test: |
Connexin Related Deafness Evaluation
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| Informed Consent Required: |
Yes |
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| Medicare ABN Required: |
Yes |
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| Special Notes: |
The Connexin 26 mutation is thought to be the most prevalent cause of prelingual, hereditary, sensorineural hearing loss. |
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| Technical Information |
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| Utility: |
Detects mutations in the GJB2 gene |
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| Methodology: |
Polymerase Chain Reaction (PCR) and DNA sequencing |
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| Reference Value: |
No mutation detected |
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| Patents: |
5,998,147, 6,485,908, 7,258,975 |
| 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(3), 83904(3), 83909(3), 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 top (EDTA) |
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| Storage Conditions: |
Refrigerate |
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| Shipping Conditions: |
Room temperature, avoid freezing. Ship within 24 hours, Monday -Thursday only. |
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| Test Turnaround: |
14-21 days |
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