TABLE 1

Diagnosis of Malnutrition by the RD

Primary IndicatorsMild MalnutritionModerate MalnutritionSevere Malnutrition
When child presents only a single data point
 Wt for height, z score−1 to −1.9−2 to −2.9−3 or lower
 BMI for age, z score−1 to −1.9−2 to −2.9−3 or lower
 Mid-upper arm circumference, z score−1 to −1.9−2 to −2.9−3 or lower
 Length or height for age, z scoreNo dataNo data−3 or lower
When child presents historical medication information and 2 or more data points
 Wt gain velocitya<75% of the norm for expected wt gain<50% of the norm for expected wt gain<25% of the norm for expected wt gain
 Wt loss in patients 2–20 y of age5% of upper body wt7.5% of upper body wt10% of upper body wt
 Deceleration in wt for length z scoreBy 1 z scoreBy 2 z scoresBy 3 z scores
 Inadequate nutrient intake51%–75% of estimated energy and/or protein needs26%–50% of estimated energy and/or protein needs≤25% of estimated energy and/or protein needs
  • a <2 y on the basis of World Health Organization data.