In this chapter, we are exploring how Artificial Intelligence algorithms can improve the Pathology and Radiology departments, by setting a fast and accurate diagnosis. False positivesFalse positive or false negativesFalse negative (FN) can appear do to time pressure or fatigue. Artificial Intelligence lends a helping hand in this area through different methods. Both the Pathology and Radiology departments are always overcrowded. Waiting lists are building up, people live with the fear of a deadly diagnosis, thinking that by prolonging the time they are waiting to get a CT or an MRI scan, or wait for the pathology results, they will lose their fighting chance. Time is of an essence here, and every second counts. Artificial Intelligence acts like a second pair of eyes, guiding the doctor and red flagging them if they spot an abnormality. Theory plus examples are presented in this chapter.