Question

A 38-week newborn at 36 hours of life has a transcutaneous bilirubin (TcB) value that is within 3 mg/dL of the phototherapy threshold for age and gestation per nomogram. Next best step?

Accepted Answer

Obtain a total serum bilirubin (TSB) for confirmation

Answer

Reassure; repeat TcB in 24 hours only

Answer

Begin phototherapy immediately

Answer

Start IV fluids and exchange transfusion consult

Answer

Stop breastfeeding and use formula exclusively

Practice question

A 38-week newborn at 36 hours of life has a transcutaneous bilirubin (TcB) value that is within 3 mg/dL of the phototherapy threshold for age and gestation per nomogram. Next best step?