GTR Test Accession:
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GTR000509982.2
Last updated in GTR: 2022-06-16
View version history
GTR000509982.2, last updated: 2022-06-16
GTR000509982.1, last updated: 2021-06-23
Last annual review date for the lab: 2023-06-16
Past due
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At a Glance
Test purpose:
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Diagnosis;
Mutation Confirmation;
Risk Assessment; ...
Conditions (7):
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Breast-ovarian cancer, familial, susceptibility to, 1; Breast cancer, early-onset; Breast cancer, familial male; ...
Genes (1):
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BRCA1 (17q21.31)
Methods (1):
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Molecular Genetics - Deletion/duplication analysis: Next-Generation (NGS)/Massively parallel sequencing (MPS)
Target population: Help
Patients with a diagnosis of Hereditary breast and ovarian cancer
Clinical validity:
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Not provided
Clinical utility:
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Predictive risk information for patient and/or family members
Ordering Information
Offered by:
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Test short name:
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BRC1D
Specimen Source:
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- Peripheral (whole) blood
- View specimen requirements
Who can order: Help
- Genetic Counselor
- Health Care Provider
- Licensed Physician
Test Order Code:
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BRC1D
View other test codes
View other test codes
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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Provide appropriate sample, relevant clinical information and a completed requisition form.
Order URL
Order URL
Test service:
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Custom Deletion/Duplication Testing
Comment: BRCA1 deletion/duplication
OrderCode: BRC1D
Comment: BRCA1 deletion/duplication
OrderCode: BRC1D
Test development:
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Test developed by laboratory (no manufacturer test name)
Informed consent required:
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Based on applicable state law
Test strategy:
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https://www.pathology.med.umich.edu/handbook/#/details/4975
Pre-test genetic counseling required:
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Yes
Post-test genetic counseling required:
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Yes
Recommended fields not provided:
Lab contact for this test
Conditions
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Total conditions: 7
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
Deletion/duplication analysis
Next-Generation (NGS)/Massively parallel sequencing (MPS)
Illumina NextSeq 550
Clinical Information
Test purpose:
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Diagnosis;
Mutation Confirmation;
Risk Assessment;
Screening
Clinical utility:
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Predictive risk information for patient and/or family members
Target population:
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Patients with a diagnosis of Hereditary breast and ovarian cancer
Variant Interpretation:
What is the protocol for interpreting a variation as a VUS?
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Follow ACMG guidelines, suggest family study
Follow ACMG guidelines, suggest family study
Are family members with defined clinical status recruited to assess significance of VUS without charge?
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No.
No.
Will the lab re-contact the ordering physician if variant interpretation changes?
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Yes. by Phone or secure email
Yes. by Phone or secure email
Recommended fields not provided:
Clinical validity,
Is research allowed on the sample after clinical testing is complete?,
Sample negative report,
Sample positive report
Technical Information
Test Procedure:
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Using new aliquot/sample
Test Confirmation:
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Using new aliquot/sample
Availability:
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Tests performed
Entire test performed in-house
Entire test performed in-house
Analytical Validity:
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Analytical Sensitivity 99-% Accuracy 99% Precision 99%
Assay limitations:
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Does not detect balanced genomic rearrangement in the CBRCA1 gene region. It does not detect point mutations in the BRCA region.
Proficiency testing (PT):
Is proficiency testing performed for this test?
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Yes
Method used for proficiency testing: Help
Intra-Laboratory
Yes
Method used for proficiency testing: Help
Intra-Laboratory
VUS:
Laboratory's policy on reporting novel variations
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Contact ordering physician by phone and by routine report; recommend clinical genetics follow up and/or genetic counseling and parental testing
Contact ordering physician by phone and by routine report; recommend clinical genetics follow up and/or genetic counseling and parental testing
Recommended fields not provided:
Citations to support assay limitations,
Description of internal test validation method,
Citations for Analytical validity,
PT Provider,
Description of PT method,
Major CAP category, CAP category, CAP test list
Regulatory Approval
FDA Review:
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Category:
Not Applicable
Additional Information
Suggested reading:
Clinical resources:
Molecular resources:
Practice guidelines:
Consumer resources:
IMPORTANT NOTE:
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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.