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51 Failure to thrive (child)
- Failure to gain weight
- Excludes1: failure to thrive in child under 28 days old (P92.6)
- R62.52 Short stature (child)
- Lack of growth
- Physical retardation
- Short stature NOS
- Excludes1: short stature due to endocrine disorder (E34.3)
- R62.59 Other lack of expected normal physiological development in childhood
- R62.7 Adult failure to thrive
R63 Symptoms and signs concerning food and fluid intake
- Excludes1: bulimia NOS (F50.2)
- eating disorders of nonorganic origin (F50.-)
- malnutrition (E40-E46)
- R63.0 Anorexia
- Loss of appetite
- Excludes1: anorexia nervosa (F50.0-)
- loss of appetite of nonorganic origin (F50.8)
- R63.1 Polydipsia
- Excessive thirst
- R63.2 Polyphagia
- Excessive eating
- Hyperalimentation NOS
- R63.3 Feeding difficulties
- Feeding problem (elderly) (infant) NOS
- Excludes1: feeding problems of newborn (P92.-)
- infant feeding disorder of nonorganic origin (F98.2-)
- R63.4 Abnormal weight loss
- R63.5 Abnormal weight gain
- Excludes1: excessive weight gain in pregnancy (O26.0-)
- obesity (E66.-)
- Excludes1: excessive weight gain in pregnancy (O26.0-)
- R63.6 Underweight
- Use additional code to identify body mass index (BMI), if known (Z68.-)
- Excludes1: abnormal weight loss (R63.4)
- anorexia nervosa (F50.0-)
- malnutrition (E40-E46)
- R63.8 Other symptoms and signs concerning food and fluid intake
R64 Cachexia
- Includes: wasting syndrome
- Code first underlying condition, if known
- Excludes1: abnormal weight loss (R63.4)
- nutritional marasmus (E41)
==R65
