What are labs using for positive tissue for CMV IHC? If anyone is interested in trading tissue (slides or blocks) please contact me. Thank you, Vicky Hammel HTL, ASCP Pathology Technical Consultant vhammel <@t> primecare.org <mailto:vhammel <@t> primecare.org> St. Alexius Medical Center Histology Laboratory 900 east Broadway Bismarck, ND 58506