The first edition of Current Medical Terminology (CMT) was published by the American Medical Association in July, 1962, in response to demands for a simplified method of nomenclature. As noted in a previous editorial of The Journal,1 the changing etiologies and concepts of modern medicine had posed serious problems of communication and the evaluation of medical data as based on "the old set of books." Indeed, there had been a vast accumulation of generic terms, colloquialisms, codes, and abbreviations that defied interpretation even in the ivory towers of medicine. The situation might recall the passage from the book of Genesis: "Therefore in the name of it called Babel because the Lord they confound the language of all the earth."
CMT has reached a total circulation of 38,000 copies, with subscribers from the various fields of medicine—general practice, medical teaching, the medical record library, research, and medicolegal medicine. There has,