Chapters in this second volume classify medical procedures used in radiology and grouped under the headings of general aspects of physics in medicine radiography contrast radiography other X-ray diagnostic procedures diagnostic nuclear medicine other diagnostic procedures from physics external radiotherapy other therapeutic nuclear medical procedures and other therapeutic procedures from physics. Procedures involving drugs medicaments and biologicals are also classified. the classification which is applicable to both inpatients and outpatients includes all types of procedures to be recorded for statistical administrative clinical or research purposes. Companion volume 1