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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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TK2 - Related Disorders tests available.

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Diagnostic Testing Familial Mutation/Variant Analysis Mutation Testing General Population Prenatal Diagnosis Presymptomatic Testing
Deletion/Duplication Analysis TK2 Deletion/Duplication Analysis
Test Code: 3073
Sequence & Deletion/Duplication Analysis TK2 Comprehensive - Sequence & Deletion/Duplication Analysis
Test Code: 3074
Sequence Analysis TK2 Sequence Analysis
Test Code: 3070
TK2 Sequence Analysis
Test Code: 3071

This test can only be performed if there is a previously identified familial mutation.
TK2 Sequence Analysis
Test Code: 3072

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.


TK2 Comprehensive - Sequence & Deletion/Duplication Analysis
Test Information: Confirmation of Clinical Diagnosis
Test Details
Test Code: 3074
Test Includes: Sequence and Deletion/Duplication Analysis of TK2 gene

Special Notes: If the mutation to be tested in this individual is one previously identified in an affected family member, please order test (#3071) for point mutations or (#3073) for duplication and deletion analysis. Please see detailed requirements under these test codes.

TK2 is included in the mtDNA Depletion Syndrome Panel (#3080) and the mtDNA Depletion/Integrity Panel (MitomeNGS) (#2130).
Technical Information
Methodology: Sequence analysis is performed in both forward and reverse directions and deletion/duplication analysis performed using a custom designed gene centric microarray.
Gene Name: TK2
Protein Name: Thymidine kinase 2, mitochondrial
Test Type: Sequence & Deletion/Duplication Analysis
Sample & Shipping Information
Test Requisition: Mitochondrial
Specimen Type: Blood
Requirements: Draw blood in an EDTA (purple-top) tube(s) and send 3-5 cc (Adults/Children) and 3 cc (Infant<2yrs).
Shipping Conditions: Ship at room temperature in an insulated container by overnight courier. Do not heat or freeze.

Turn Around Time: 28 days
Billing Information
List Price: *For Insurance or Institutional Prices, please call.
CPT Codes: 81405x1, 81479x1


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