The radioisotopes (radionuclides) and radiopharmaceuticals which have been predominantly used as diagnostic agents are presented in this work. In nuclear medicine, most pharmaceuticals are labeled with technetium-99m because of its almost ideal physical and nuclear properties. In this work the review of officinal dosages forms of radiopharmaceuticals in Pharmacopoeia Yugoslavia 2000 is given.U ovom radu dat je prikaz radioaktivnih izotopa (radionuklida) i radiofarmaceutika koji se danas koriste prvenstveno u dijagnostičke svrhe. U nuklearnoj medicini najviše se koriste radiofarmaceutici obeleženi tehnecijumom-99m koji ima skoro idealne fizičke i radijacione osobine. U radu je dat pregled doziranih oblika radiofarmaceutika oficinalnih po Jugoslovenskoj Farmakopeji 2000
