Oncology | Quest Diagnostics

Advanced diagnostic solutions to meet your unique needs

Experience the power of precision in every cancer diagnosis

Optimal outcomes in oncology start with excellent diagnostics, but they don't stop there. At Quest, we go beyond the test as your single-source solution, delivering reliable results, efficient processes, and world-class expertise across the cancer care continuum.

Hereditary genetic risk and colorectal cancer testing solutions

A comprehensive portfolio with testing from routine to advanced, including:

Colorectal cancer screening
Prostate cancer screening
Complete portfolio of hereditary cancer tests and services to support improved actionability, efficiency, and patient engagement

Subspecialized pathology solutions

Advanced pathology solutions that include:

400+ subspecialized pathologists
Comprehensive bone marrow workup with integrated summary report
Digital pathology
Technical component (TC)/professional component (PC) and global solutions
Next-generation sequencing (NGS) for hematology

Precision medicine companion/complementary diagnosis, solid tumor NGS, heme NGS, hereditary cancer NGS

Solutions for solid tumor and hematologic malignancies:

Disease-specific panels
NCI trial matching
Pan-tumor biomarkers
NGS for solid tumors, hematology, and hereditary cancer
Comprehensive genomic profiling with 500+ genes: both RNA and DNA sequencing with over 50 gene fusions and copy number variants

Operationalize your precision oncology vision

Go beyond the test with our unique offerings that include superlative logistics, with 4,500 courier vehicles and 20+ aircraft.

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Advancing the future of cancer care

Our commitment to progressive solutions means increased diagnostic accuracy, hundreds of routine and advanced tests, and dedication to better oncology care for your patients today—and tomorrow. And with Haystack MRD ™, you can identify residual, recurrent, or resistant cancer earlier than with traditional methods (eg, imaging or non-specific protein biomarkers).

Pathology solutions Haystack MRD

Putting patients first

Making it easier for patients to access care is our priority. That's why we are in-network for most insurances nationwide, provide patient tools and services, and offer a range of financial support. Explore all the ways we help make care more accessible for patients.

Patient financial support