Explore Our Capabilties
Backed by decades of scientific experience, we offer high-quality pathology, histology, and toxicology services to support your research goals. Our specialties include advanced stains, peer review, expert consulting, and much more.
Want to see everything we offer?
Over Fifty Years of Experience
Founded in 1971, Experimental Pathology Laboratories, Inc. (EPL®) is a private, employee-owned U.S. company recognized internationally for its ability to meet the needs of the scientific community and the challenges of preclinical safety testing with high-quality, on-time histopathology services. Valued for its objectivity and responsiveness, EPL has become industry’s and government’s premier source for expert toxicologic pathology evaluation and consultation.
Latest News
Nonclinical Pathology Evaluation of Medical Devices?
Reading Time: < 1 minutePlease help spread the word about these recent articles highlighting the Best Practices and Contemporary Approaches to Nonclinical Pathology Evaluation of Medical Devices!
Blind Slide Reading
Reading Time: 5 minutesBlind slide reading is widely discussed in toxicologic pathology. Learn why experienced pathologists often use a two-phase approach—initial unblinded evaluation followed by blinded confirmation—to balance detection of subtle findings with avoidance of bias.
Experimental Pathology Laboratories, Inc. Welcomes Dr. Jim Fikes!
Reading Time: 2 minutesExperimental Pathology Laboratories (EPL) welcomes Dr. Jim Fikes as Senior Pathologist and Manager of EPL-Boston. A board-certified veterinary pathologist and toxicologist with more than 30 years in biopharmaceutical research, Dr. Fikes brings deep expertise in toxicologic pathology, histopathology evaluation, pathology peer review, and nonclinical safety assessment across pharmaceutical and biotechnology development programs.
Upcoming Events
SOT 65th Annual Meeting and ToxExpo
San Diego, CA
March 22-25, 2026
EPL/Aclairo Booth #1517
SETAC Europe 36th Annual Meeting
Maastricht, The Netherlands
May 17-21, 2026
EPL Booth #56
STP 45th Annual Symposium
San Diego, CA
June 21-24, 2026
ACT 47th Annual Meeting
San Antonio, TX
Nov 15-18, 2026
EPL/Aclairo Booth #309