Problem: A now 5-year-old male was diagnosed with hereditary spherocytosis at 2 months of age. He is the younger sibling of case #2. Mother has hereditary spherocytosis and had a splenectomy as a child. He was 9 lb and 11 oz and term by dates and size. He had a spontaneous vaginal delivery with unremarkable resuscitation. His newborn examination was normal. He breastfed well. He was noted to have jaundice with maximum total bilirubin of 15.8 (N 0.6 - 10.5 mg/dL), all indirect, at 3 days of age. No treatment was required.