Some newborn babies can develop jaundice which is caused by an increased level of bilirubin in the blood. This guideline covers the diagnosis and treatment of jaundice. The aim is to detect very high levels of bilirubin which can cause harm if not treated.
This review, updated in October 2016, includes clarification under recommendation 1.4.9 on when intensified phototherapy should be used in relation to time since birth.
The full guideline can be accessed here.