Accuracy of transcutaneous bilirubin on covered skin in preterm and term newborns receiving phototherapy using a JM-105 bilirubinometer.

Objective: Determine the suitability of transcutaneous bilirubin (TCB) as a tool to assess the effectiveness of phototherapy on patched skin.

Study Design: A prospective observational study was conducted. We covered a fragment of skin (sternum) with a photo-opaque patch.