SYMPTOMS (780-789)
783 Symptoms concerning nutrition, metabolism, and development
783.0: Anorexia
Loss of appetite
Excludes:
anorexia nervosa (307.1)
loss of appetite of nonorganic origin (307.59)
783.1: Abnormal weight gain
Excludes:
excessive weight gain in pregnancy (646.1)
obesity (278.00)
morbid (278.01)
783.2: Abnormal loss of weight and underweight
Use additional code to identify Body Mass Index (BMI), if known (V85.0-V85.54)
783.3: Feeding difficulties and mismanagement
Feeding problem (elderly) (infant)
Excludes:
feeding disturbance or problems:
in newborn (779.31-779.34)
of nonorganic origin (307.50-307.59)
783.4: Lack of expected normal physiological development in childhood
Excludes:
delay in sexual development and puberty (259.0)
gonadal dysgenesis (758.6)
pituitary dwarfism (253.3)
slow fetal growth and fetal malnutrition (764.00-764.99)
specific delays in mental development (315.0-315.9)
783.5: Polydipsia
Excessive thirst
783.6: Polyphagia
Excessive eating
Hyperalimentation NOS
Excludes:
disorders of eating of nonorganic origin (307.50-307.59)
783.7: Adult failure to thrive
783.9: Other symptoms concerning nutrition, metabolism, and development
Hypometabolism
Excludes:
abnormal basal metabolic rate (794.7)
dehydration (276.51)
other disorders of fluid, electrolyte, and acid-base balance (276.0-276.9)

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