GPT and obesity due to melanocortin 4 receptor deficiency: The 2023 expert committee of the American Academy of Pediatrics on child obesity recommended laboratory evaluations for children with obesity, for lipid abnormalities, abnormal glucose metabolism, and abnormal liver function, starting at age 10 years.18 This entails obtaining a fasting lipid panel, fasting glucose, and alanine transaminase and aspartate transaminase levels every 2 years.