PenLab is a full service histology laboratory that serves various hospitals, clinics, and medical groups throughout Northern California.  Although many of our clients are based in the Bay Area, we also cater to out-of-state clients who do not require an expedited turn-around time.


Our belief is that although the histological process is pure science, quality is an artform.  With a primary focus on quality, we take pride in our proven track record of producing clean sections and exceptional stains.  Depending on tissue type, the paraffin embedded tissues are cut between 2-4μm, and although we have a recommended staining protocol for our routine H&E's, we can tailor the staining intensity to suit the needs of our clients.


Peninsula Histopathology Laboratory offers a wide range of slide preparation services for surgical pathology, including but not limited to dermatology/dermatopathology, hematopathology, cytopathology, urology, gastroenterology, and research.

Learn more about our approach, our staff and the benefits of turning to us for your needs. For information about us and our services, click here.