Your patients deserve answers they can trust — we deliver them, faster.
The Steen Laboratory partners with referring physicians across Boston to provide surgical pathology, cytopathology, and molecular diagnostics with the precision and turnaround time your practice demands.
Comprehensive pathology services tailored to your practice
From routine surgical specimens to specialized molecular testing, we provide the diagnostic clarity your patients and practice need.
Surgical Pathology
Comprehensive grossing, microscopic evaluation, and reporting of surgical specimens with attention to diagnostic detail and clinical relevance.
Cytopathology
Expert interpretation of cytology specimens including fine-needle aspirates, body fluids, and gynecologic preparations with rapid on-site evaluation available.
Molecular Diagnostics
Advanced molecular testing including PCR, FISH, and next-generation sequencing to support precision medicine and targeted therapy decisions.
Immunohistochemistry
Specialized immunostaining services to characterize tumors, determine cell lineage, and identify therapeutic targets for complex cases.
Consultation & Second Opinions
Board-certified pathologists available for case consultation, complex diagnosis review, and collaborative discussion with your clinical team.
Need a Custom Test?
Contact us to discuss specialized testing requirements for your practice or research program.
Get in Touch
Boston
Life Science District
About Us
A laboratory built on trust, precision, and partnership
Located in the heart of Boston's Center for Life Science, The Steen Laboratory was founded with a clear mission: to give referring physicians the diagnostic certainty they need to make confident clinical decisions.
Our team of board-certified pathologists brings decades of combined experience in surgical pathology, cytopathology, and molecular diagnostics. We work closely with oncologists, surgeons, and primary care providers throughout the Greater Boston area to ensure every case receives the thorough attention it deserves.
We believe that accurate pathology isn't just about technology — it's about people. The relationships we build with our referring providers and the care we take with every specimen are what set us apart.
Fast
Turnaround times that respect your patient's timeline
Clear
Reports written in language your patients understand
How It Works
From specimen to report — a seamless process
We've streamlined every step so you can focus on your patients while we focus on the details.
1
Submit Your Specimen
Send your specimens with complete clinical information. We accept submissions from practices throughout the Boston area.
2
Grossing & Processing
Our experienced technicians carefully gross and process each specimen, ensuring optimal tissue preservation for accurate diagnosis.
3
Expert Diagnosis
Board-certified pathologists examine every slide with meticulous attention, applying the latest diagnostic techniques.
4
Report Delivered
Receive a comprehensive, clearly written report promptly — with direct access to our pathologists for any follow-up questions.
Trusted by Physicians
What referring providers say about working with us
"The Steen Laboratory has been an invaluable partner for our practice. Their turnaround times are consistently fast, and the reports are thorough and clearly written. I always feel confident in the diagnoses."
Dr. Sarah Chen
General Surgeon, Boston
"What stands out most is their accessibility. When I have questions about a case, a pathologist is always available to discuss. That level of collaboration makes a real difference in patient care."
Dr. Michael Torres
Oncologist, Cambridge
"Switching to The Steen Laboratory was one of the best decisions for our clinic. Their molecular diagnostics capabilities have expanded what we can offer our patients right here in Boston."
Dr. Patricia Nguyen
Primary Care, Brookline
Ready to partner with a laboratory that puts precision first?
Whether you're a new referring physician or looking to switch labs, we'd love to hear from you. Let's discuss how The Steen Laboratory can support your practice.
