Final answer:
Severe malnutrition with edema and skin or hair dyspigmentation is known as kwashiorkor, a dangerous undernutrition syndrome due to inadequate protein and calorie intake.
Step-by-step explanation:
Severe malnutrition with nutritional edema with dyspigmentation of skin and hair is coded as kwashiorkor, a severe undernutrition syndrome caused by lack of protein and calories. This condition is characterized by edema of the ankles, feet, and abdomen as well as changes in skin color and hair texture or color. It is a form of protein-energy malnutrition that can become life-threatening and requires immediate medical attention.