Final answer:
The World Health Organization's International Classification of Diseases (ICD) is a taxonomy that classifies diseases and other pertinent data. It assigns an alphanumeric code to every type of disease.
Step-by-step explanation:
The World Health Organization's (WHO) International Classification of Diseases (ICD) is the taxonomy (coding & classification system) that provides for the classification of disease, causes, social conditions, and other pertinent data. The ICD assigns an alphanumeric code to every type of disease, including viral infections, medical conditions, and causes of death. This classification system is used in clinical fields to monitor morbidity and mortality.