TABLE 83.2 COMPONENTS OF HISTORY FOR A CHILD PRESENTING WITH WEIGHT LOSS Birth history Birth weight Maternal medical problems, including psychiatric disorders, infections, substance use Fetal intrauterine growth restriction Extended neonatal intensive care unit stay Dietary and feeding history Route of feeding, types of food consumed, feeding techniques or difficulties, formula preparation, who feeds the child Breastfeeding: latch, suck, duration, frequency, milk supply, breast pumping, positioning Problems with feeding, including abnormal suck, difficulty swallowing, choking, feeding refusal Intake quantity and frequency Output, including vomiting and diarrhea Past medical history Chronic medical conditions Recent illnesses, recurrent illnesses Hospitalizations, surgeries Developmental history Prematurity, developmental milestones Family history Parental height, medical and psychiatric conditions in the family, heritable diseases Social history Caregivers, economic factors, access to care, social stressors, history of abuse or neglect, history of child protective services involvement Complete review of systems Routine laboratory tests should not be performed unless indicated by the history and physical examination See Table 83.3 for a list of life-threatening