The section of renal pathology offers comprehensive renal biopsy services for both native and allograft kidneys. Dr. Kirk W. Foster is the head of this section, which provides services in a full routine work-up include light microscopic examination, immunofluorescence, including C4d in renal allografts, and ultrastructural examination with electron microscopy. Preliminary results are discussed with the submitting clinician within one business day of receipt in the laboratory.