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The Pathologist / Issues / 2026 / April / Diagnosis DelayedThe Case for Faster Companion Diagnostic Delivery
Oncology Genetics and epigenetics Liquid biopsy Screening and monitoring

Diagnosis: Delayed – The Case for Faster Companion Diagnostic Delivery

From approvals and reimbursement to in-house testing and tissue stewardship - Jane Li discusses the barriers to precision diagnostics, and the route through them

By Helen Bristow 04/02/2026 Interview 7 min read
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5 Key Takeaways
  • 1

    Companion diagnostics are essential for matching patients with effective targeted therapies, but their adoption in routine care is slow.

  • 2

    The transition from research-grade to clinical-grade testing requires significant investment, regulatory approval, and time.

  • 3

    Operational integration of assays into laboratory workflows is crucial for effective implementation of precision medicine.

  • 4

    Reimbursement challenges, including the need for extensive clinical evidence, significantly hinder the adoption of precision diagnostics.

  • 5

    Inequities in biomarker testing access between academic centers and community hospitals can negatively impact patient outcomes.

This content is an AI-generated, fully rewritten summary based on a published scholarly article. It does not reproduce the original text and is not a substitute for the original publication. Readers are encouraged to consult the source for full context, data, and methodology.

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About the Author(s)

Helen Bristow

Combining my dual backgrounds in science and communications to bring you compelling content in your speciality.

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