The clinical arm of one of the nation’s major centers for academic pathology and laboratory medicine, Washington University Pathology Services partners with you to provide patients high quality results.

Long focusing on the relationship between the basic science of immunology and disease, the Washington University Department of Pathology and Immunology has played pioneering roles in surgical pathology and laboratory medicine.

Our subspecialized surgical pathology team uses the latest ancillary testing, such as genomics, to add value to morphologic-based diagnoses in routine clinical practice. We provide primary diagnosis and second opinion consultations in 15 surgical pathology subspecialties. Ancillary testing and technical-component only processing is available as well.

Contact us

Toll Free: 855-258-8554
Local: 314-747-1100

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About our practice


Board-certified expertise in more than a dozen subspecialties

Pathology experts

Trusted experts with experience that you and your patients can count on


State-of-the-art services ranging from microscopy to sequencing


High quality laboratories ensuring definitive and timely diagnoses

Test directory

More than 250 tests in our database searchable by disease, type or name

Additional services

Consults, genomics, telemedicine, clinical trials and more

Our service operates under three CAP/CLIA  licenses: Anatomic and Molecular Pathology Core Labs, Cytogenetics and Molecular Pathology, and the Dermatopathology Center.