Proprietary Variant Database and Interpretation Expertise: Myriad possesses a vast, proprietary database of genetic variants and associated clinical outcomes, accumulated over decades, which enables highly accurate and reliable interpretation of genetic test results, creating a significant informational barrier to entry for competitors.

Established Payer Relationships and Reimbursement Success: The company has long-standing relationships with major insurance providers and a proven track record in securing broad reimbursement coverage for its genetic tests, navigating the complex and often challenging reimbursement landscape.

Strong Physician Relationships and Sales Channel: Myriad has cultivated deep, trust-based relationships with healthcare providers, particularly oncologists and genetic counselors, supported by an experienced sales and clinical support team that facilitates test adoption and ongoing usage.