What steps do I need to take to prepare for the biomarker testing process? Is there anything I should avoid before...

Based on the NCCN Guidelines provided, here are the key steps to prepare for biomarker testing:

According to the NCCN Guidelines for Patients: Invasive Breast Cancer (2024):

1. Documentation and Organization:

• "Create files for insurance forms, [ID removed] and test results"
• "Keep a list of contact information for everyone on your care team"
• Consider creating a medical binder to organize all test results and reports

1. Before Testing:

• Bring a list of all current medications, including: • Over-the-counter (OTC) medicines • Herbals • Supplements
• Tell your care team about any medications as "some supplements interact and affect medicines that your care team may prescribe"

1. Sample Collection:

• Testing may require either: • A blood sample • Tissue from a biopsy
• For blood tests, no special preparation is typically needed unless specifically instructed by your care team

1. Timing Considerations:

• "Testing takes time. It might take days or weeks for all test results to come in"
• Plan accordingly and discuss the timeline with your care team

The guidelines recommend having someone accompany you to appointments when possible and taking notes during discussions about testing procedures.

Sources:

• NCCN Guidelines for Patients: Invasive Breast Cancer, 2024
• NCCN Guidelines for Patients: Testing for Breast Cancer section

I recommend discussing any specific preparation requirements with your healthcare team, as they may have additional instructions based on your individual situation.