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Test Code BRTP Rapid Hereditary Breast Cancer Treatment Decision Panel, Varies


Ordering Guidance


This test is for patients diagnosed with cancer for whom results may impact treatment. A rapid turnaround time supports surgical and management decision making. For patients with cancer who do not need rapid results, order BRGYP / Hereditary Breast/Gynecologic Cancer Panel, Varies or COMCP / Common Hereditary Cancer Panel, Varies, depending on the patient’s personal and family history.

 

This test is not appropriate for patients who do not have cancer. If testing is needed based on a previous diagnosis of cancer or family history of cancer, order either BRGYP / Hereditary Breast/Gynecologic Cancer Panel, Varies or COMCP / Hereditary Common Cancer Panel, Varies, depending on the patient’s personal and family history.

 

Targeted testing for familial variants (also called site-specific or known variants testing) is available for the genes on this panel. For more information see FMTT / Familial Variant, Targeted Testing, Varies. To obtain more information about this testing option, call 800-533-1710.

 

Testing minors for adult-onset predisposition syndromes is discouraged by the American Academy of Pediatrics, the American College of Medical Genetics and Genomics, and the National Society of Genetic Counselors.



Shipping Instructions


Specimen preferred to arrive within 96 hours of collection.



Specimen Required


Patient Preparation: A previous bone marrow transplant from an allogenic donor will interfere with testing. Call 800-533-1710 for instructions for testing patients who have received a bone marrow transplant.

Specimen Type: Whole blood

Container/Tube:

Preferred: Lavender top (EDTA) or yellow top (ACD)

Acceptable: Any anticoagulant

Specimen Volume: 3 mL

Collection Instructions:

1. Invert several times to mix blood.

2. Send whole blood specimen in original tube. Do not aliquot.

Specimen Stability Information: Ambient (preferred) 4 days/Refrigerated


Genetics Test Information

This test utilizes next-generation sequencing to detect single nucleotide and copy number variants in 11 genes associated with hereditary breast cancer: ATM, BRCA1, BRCA2, CDH1, CHEK2, PALB2, PTEN (including promoter), RAD51C, RAD51D, STK11, and TP53. See Targeted Genes and Methodology Details for Rapid Hereditary Breast Cancer Treatment Decision Panel and Method Description for additional details.

 

Identification of a disease-causing variant may assist with diagnosis, prognosis, clinical management, recurrence risk assessment, familial screening, and genetic counseling for hereditary breast cancer.

Specimen Type

Varies

Specimen Minimum Volume

1 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Varies Varies

Reject Due To

All specimens will be evaluated at Mayo Clinic Laboratories for test suitability.

Reference Values

An interpretive report will be provided.

Day(s) Performed

Varies

Report Available

10 to 14 days

Specimen Retention Time

Whole blood: 2 weeks (if available); Extracted DNA: 3 months

Performing Laboratory

Mayo Clinic Laboratories in Rochester

CPT Code Information

81405

81406

81307

81408

81162

81321

81351

81479

81479 (if appropriate for government payers)