“…Guidelines on micronutrient monitoring in children with IF vary widely and are not specific for weaned patients (12), but usually regular monitoring is recommended since most patients will not have clinical symptoms. In a recent paper, it is suggested that copper, selenium, zinc, vitamin A, E, D, B12, methylmalonic acid, prothrombin time, iron, total iron‐binding capacity, red blood cell count, folate, and carnitine (the latter if <1 year) should be monitored every 6 months in children on HPN (28).…”