Washington University Diagnostic Laboratory Services offers primary diagnosis for a range of subspecialties, including renal pathology and dermatopathology. Our subspecialty experts have a variety of testing available to them to enable the most comprehensive evaluation of all cases.

If you have not previously used our services, please contact us in advance of submitting an order so we can confirm the desired testing and insure that the best services are provided.

*Excluding renal or derm specimens; see below.

Renal pathology

We interpret kidney biopsies of renal transplant patients and complex patients with all types of medical renal disease and provide a comprehensive evaluation of all cases.

  • Techniques: light-microscopy (LM), immunofluorescence (IF) and transmission electron microscopy (EM)
  • Routine H&E + special stains: periodic acid Schiff (PAS), Jones’ methenamine silver (JMS) and Masson’s trichrome
  • Standard of care IF studies: IgG, IgA, IgM, C3, C1q, fibrinogen, albumin, kappa light chain, and lambda light chain; C4d for kidney transplant biopsies

If you are interested in sending us a specimen, please contact us or refer to our standard or simplified renal biopsy collection instructions and fill out the relevant requisition.


The Washington University Dermatopathology Center provides expert interpretation of skin, hair and nail biopsy specimens.  We offer a comprehensive array of dermatopathology diagnostic services performed in-house including routine histology, special stains and immunohistochemistry, and immunofluorescence and ELISA testing for the diagnosis of autoimmune blistering diseases.

With strong backgrounds in dermatopathology and clinical dermatology, our team is uniquely positioned to integrate clinical and pathological information at the highest level. Our consultation expertise includes complex inflammatory and lymphoproliferative skin diseases and melanocytic lesions.