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BRCA Panel (BRCA1, BRCA2)

Test code(s) 91863

This test is used to identify individuals with increased risks for hereditary breast and ovarian cancer syndrome. It detects single-nucleotide variants, deletions, and duplications in the BRCA1 and BRCA2 genes.

Sample reports and information regarding the specific variants analyzed for each gene are available on our website QuestHereditaryCancer.com.

If a familial mutation has been detected by sequencing or deletion/duplication studies, the Hereditary Cancer Single Site(s) (test code 93945) test may be considered. Official test results of the family member must be available for laboratory review.

For individuals of Ashkenazi (Eastern European) Jewish descent, consider performing the BRCA Ashkenazi Jewish Screen (test code 91864) first. Full sequencing may be considered if ancestry also includes non-Ashkenazi Jewish relatives or if other clinical criteria for hereditary breast and ovarian cancer syndrome are met. For this scenario, consider BRCA Ashkenazi Jewish Screen with Reflex to BRCA Panel (BRCA1, BRCA2 [test code 92140]).

If and individual is of Ashkenazi Jewish descent and the familial mutation is not 1 of the 3 Ashkenazi Jewish founder mutations, consider testing for both the founder mutations (BRCA Ashkenazi Jewish Screen [test code 91864]) and the familial mutation (Hereditary Cancer Single Site(s) [test code 93945]).

Additional tests, such as multigene tests, are available to assess the risk of hereditary breast cancer. For more information, please visit our website QuestHereditaryCancer.com. To discuss a family history with a Quest Diagnostics genetic counselor, please call Quest Genomics Client Services at 1.866.GENE.INFO (1.866.436.3463).

Generally, this test may be indicated for individuals with a personal or family history of breast cancer, ovarian cancer, metastatic prostate cancer, or pancreatic cancer.1

Informed consent following genetic counseling is strongly recommended. Whenever possible, consider testing the person in the family with the youngest age at diagnosis of breast cancer or ovarian cancer.

For more information or to discuss a family history with a Quest genetic counselor, please call
Quest Genomics Client Services at 1.866.GENE.INFO (1.866.436.3463).

The right time is different for every individual. An individual’s current medical status, treatment or screening plan, personal experience with cancer, and general readiness for genetic information all influence the decision to be tested. Having an open dialogue with individuals about these topics can assist with shared decision-making.

Upon receipt of a fully completed order, our team will verify coverage with your patient’s healthcare insurance plan and estimate their likely out-of-pocket responsibility. If your patient’s estimated responsibility is over $100, we will notify you and/or your patient prior to test initiation to discuss options for continuation or cancellation of the test. Please note that orders lacking complete information will not be processed.

On average, results will be completed 14 to 21 days after receipt of the sample in the laboratory if the family history form and order are complete, and the health plan does not require preauthorization. Turnaround time may vary based on delays caused by incomplete orders or insurance authorizations.

Individuals with a positive result have a pathogenic or likely pathogenic variant detected in the BRCA1 and/or BRCA2 gene(s). A positive result does not mean that an individual has cancer. Specific risk information will be provided in the result report, and you can visit our website at QuestHereditaryCancer.com for more information.

The National Comprehensive Cancer Network (NCCN®) provides up-to-date surveillance and management recommendations for individuals with a positive result.1

A negative result means that a pathogenic or likely pathogenic variant was not detected in the BRCA1 andBRCA2 genes. Implications of this result depend on the situation:

Individual with previously diagnosed cancer: An individual’s risk of recurrence or a related new cancer is based on his/her personal and family histories of cancer. In some instances, it may be appropriate to test for other hereditary forms of cancer. Please call Quest Genomics Client Services at 1.866.GENE.INFO (1.866.436.3463) to discuss possible additional studies with a genetic counselor.

Individual without previously diagnosed cancer but with a family history of cancer: An individual’s risk of tumors or cancer is based on his/her personal and family histories. Testing an affected family member may further inform this risk assessment. In some instances, it may be appropriate to test for other hereditary forms of cancer. Please call Quest Genomics Client Services at 1.866.GENE.INFO (1.866.436.3463) to discuss possible additional studies with a genetic counselor.

A VUS result means that the variant has not been previously described in the literature or that the clinical significance is unclear based upon currently available evidence. Medical management decisions should be based on personal and family history. Family studies may help to learn more about the clinical significance of this variant. The classification and interpretation of the variant(s) identified reflect the current state of Quest’s understanding at the time of this report. Variant classification and interpretation are subject to professional judgment, and may change for a variety of reasons including, but not limited to, updates in classification guidelines and availability of additional scientific and clinical information. It is important to check in with the laboratory annually for variant updates because new information regarding the variant and classification may become available over time. Please visit QuestDiagnostics.com/VariantIQ for information about variant classification. If you have questions, please call Quest Genomics Client Services at 1.866.GENE.INFO (1.866.436.3463) to speak with a genetic counselor.

Reference

  1. National Comprehensive Cancer Network. NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®). Genetic/familial high-risk assessment: breast, ovarian, and pancreatic. Version 1.2020.Published December 4, 2019. https://www.nccn.org

 

This FAQ is provided for informational purposes only and is not intended as medical advice. A clinician’s test selection and interpretation, diagnosis, and patient management decisions should be based on his/her education, clinical expertise, and assessment of the patient.

 

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