Vitamin K Deficiency

**Definition:** A nutritional condition produced by a deficiency of VITAMIN K in the diet, characterized by an increased tendency to hemorrhage (HEMORRHAGIC DISORDERS). Such bleeding episodes may be particularly severe in newborn infants. (From Cecil Textbook of Medicine, 19th ed, p1182)

**Tree numbers:** - C15.378.100.920 - C15.378.463.841 - C18.654.521.500.133.912

**Synonyms:** - Deficiency, Vitamin K