GTR Test Accession:
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GTR000530239.1
Registered in GTR:
2016-04-14
View version history
GTR000530239.1,
registered in GTR:
2016-04-14
Last annual review date for the lab: 2024-03-13
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At a Glance
Test purpose:
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Diagnosis
Conditions (1):
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Congenital myasthenic syndrome
Genes (1):
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SYT2 (1q32.1)
Methods (1):
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Molecular Genetics - Mutation scanning of the entire coding region: Bi-directional Sanger Sequence Analysis
Target population: Help
Not provided
Clinical validity:
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Not provided
Clinical utility:
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Not provided
Ordering Information
Offered by:
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Specimen Source:
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- Amniotic fluid
- Buccal swab
- Cell culture
- Chorionic villi
- Cord blood
- Dried blood spot (DBS) card
- Fetal blood
- Fibroblasts
- Fresh tissue
- Frozen tissue
- Paraffin block
- Peripheral (whole) blood
- Product of conception (POC)
- Urine
Who can order: Help
- Genetic Counselor
- Health Care Provider
Lab contact:
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Contact Policy:
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Laboratory can only accept contact from health care providers. Patients/families are encouraged to discuss genetic testing options with their health care provider.
How to Order:
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Test service:
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Clinical Testing/Confirmation of Mutations Identified Previously
Genetic counseling
Identity Testing
Preimplantation Genetic Diagnosis (PGD)
Result interpretation
Uniparental Disomy (UPD) Testing
X-Chromosome Inactivation Studies
Genetic counseling
Identity Testing
Preimplantation Genetic Diagnosis (PGD)
Result interpretation
Uniparental Disomy (UPD) Testing
X-Chromosome Inactivation Studies
Test development:
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Test developed by laboratory but exempt from FDA oversight (eg. NYS CLEP approved, offered within a hospital or clinic)
Informed consent required:
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Decline to answer
Pre-test genetic counseling required:
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Decline to answer
Post-test genetic counseling required:
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Decline to answer
Recommended fields not provided:
Test Order Code,
Test strategy
Conditions
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Total conditions: 1
Condition/Phenotype | Identifier |
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Test Targets
Genes
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Total genes: 1
Gene | Associated Condition | Germline or Somatic | Allele (Lab-provided) | Variant in NCBI |
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Methodology
Total methods: 1
Method Category
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Test method
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Instrument *
Mutation scanning of the entire coding region
Bi-directional Sanger Sequence Analysis
* Instrument: Not provided
Clinical Information
Test purpose:
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Diagnosis
Variant Interpretation:
What is the protocol for interpreting a variation as a VUS?
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ACMG guidelines
ACMG guidelines
Are family members with defined clinical status recruited to assess significance of VUS without charge?
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provided in report
provided in report
Will the lab re-contact the ordering physician if variant interpretation changes?
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Yes.
Yes.
Recommended fields not provided:
Clinical validity,
Clinical utility,
Target population,
Are family members with defined clinical status recruited to assess significance of VUS without charge?,
Is research allowed on the sample after clinical testing is complete?,
Sample negative report,
Sample positive report
Technical Information
Availability:
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Tests performed
Entire test performed in-house
Entire test performed in-house
Analytical Validity:
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Sanger Sequencing: Sensitivity >98%; MLPA: Sensitivity >95%, specifity >95%; NGS_Our diagnostic criteria requires: (i) at least 98% of the sequencing reads have a quality score (Q) above 30 (99,9% accurate), (ii) a median per base sequence quality score (Q) above 30 (99,9% accurate), (iii) at least 98% of the region …
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Proficiency testing (PT):
Is proficiency testing performed for this test?
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Yes
Method used for proficiency testing: Help
Formal PT program
PT Provider: Help
European Molecular Genetics Quality Network, EMQN
Yes
Method used for proficiency testing: Help
Formal PT program
PT Provider: Help
European Molecular Genetics Quality Network, EMQN
VUS:
Software used to interpret novel variations
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Alamut: PolyPhen-2, SIFT, Align GVGD, MAPP, SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer, Human Splicing Finder, MutationTaster
Laboratory's policy on reporting novel variations Help
provided in report
Alamut: PolyPhen-2, SIFT, Align GVGD, MAPP, SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer, Human Splicing Finder, MutationTaster
Laboratory's policy on reporting novel variations Help
provided in report
Recommended fields not provided:
Test Confirmation,
Assay limitations,
Description of internal test validation method,
Citations for Analytical validity,
Description of PT method,
Major CAP category, CAP category, CAP test list
Regulatory Approval
FDA Review:
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Category:
FDA exercises enforcement discretion
Additional Information
Clinical resources:
Consumer resources:
IMPORTANT NOTE:
NIH does not independently verify information submitted to GTR; it relies on submitters to provide information that is accurate and not misleading.
NIH makes no endorsements of tests or laboratories listed in GTR. GTR is not a substitute for medical advice.
Patients and consumers
with specific questions about a genetic test should contact a health care provider or a genetics professional.