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Genetic Labs

Houston, Texas

Genetic Laboratory
Medical Genetics Laboratories
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Medical Genetics Test Details

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Pelizaeus-Merzbacher-Like Disease tests available.

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Diagnostic Testing Familial Mutation/Variant Analysis Mutation Testing General Population Prenatal Diagnosis Presymptomatic Testing
Sequence Analysis GJC2 Sequence Analysis
Test Code: 6550
GJC2 Sequence Analysis
Test Code: 6551

This test can only be performed if there is a previously identified familial mutation.
GJC2 Sequence Analysis
Test Code: 6552

We require that the referring center consult with our laboratory genetic counselors regarding prenatal cases prior to submitting any samples. Please call 1-800-411-4363.


GJC2 Sequence Analysis
(Familial Mutation/Variant Analysis)
Test Information: Confirmation of Clinical Diagnosis - Known Familial Mutation(s), Carrier Testing - Known Familial Mutation(s)
Test Details
Test Code: 6551
Special Notes: This test can only be performed if there is a previously identified familial mutation. A laboratory report containing the relative's mutation information, the specific biological relationship of this patient and the tested relative and the clinical status of this patient (symptomatic or asymptomatic) must be submitted with the specimen. If the original familial mutation was identified in another laboratory, this testing must be discussed with one of our genetic counselors prior to sending a specimen.
Technical Information
Methodology: Sequencing analysis of the region(s) containing the familial alteration(s) is performed in the forward and reverse directions
Gene Name: GJC2 (GJA12)
Protein Name: Gap junction gamma-2 protein
Test Type: Sequence Analysis
Sample & Shipping Information
Test Requisition: Molecular Diagnostics
Specimen Type: Blood
Requirements: Draw blood in an EDTA (purple-top) tubes and send 3-5 cc (Adults/Children) and 3 cc (Infant).
Shipping Conditions: Ship at room temperature by overnight carrier.


Turn Around Time: 21 days
Billing Information
List Price: *For Insurance or Institutional Prices, please call.
CPT Codes: 81479x1


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