Please see below the CAP guidelines ( and the website link) for handling CJD in 
the lab-specifically states "no frozen sections should be done".  I believe the 
CDC and NIH guidelines state this also.  



cap.org/html/publications/reprints/captoday/cjd.html


             Creutzfeldt-Jakob Disease 
                    Safety tips for anatomic studies of possible CJD 

                    Reprinted from the January 1996 issue of CAP TODAY 

                     Precautions for tissue handling in the autopsy room 
                                      Decontaminating the autopsy room 
                                     Decontaminating the tissue

Precautions for tissue handling in the histology lab 
                      Handling slides and blocks 

                               References 

                         Barbara J. Crain, MD, PhD 

                  Identifying cases at risk for Creutzfeldt-Jakob Disease (CJD) 

            
Surgical pathology. All brain biopsies for dementia should be handled as 
possible CJD cases. No frozen sections should be done.