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Evaluating a neonate with problematic jaundice in whom the etiology is unclear. Not all neonates who receive phototherapy for ≥2 days have hemolytic jaundice. However, if hemolytic jaundice is suspected, the algorithm given here for stepwise evaluation of the etiology might be useful. CBC, complete blood cell count; G6PD, glucose-6-phosphate dehydrogenase deficiency.
