The Histologic Technician AAS program is a two-year, five-semester course of study requiring a total of 60 semester hours of credit. The program is accredited by the National Accrediting Agency for Clinical Laboratory Sciences (NAACLS), 5600 N. River Rd. Suite 720, Rosemont, IL 60018, 773.714.8886. Graduates are eligible for certification with the American Society of Clinical Pathologists-Board of Registry (ASCP-BOR). New classes begin in the fall of each year.