What is the normal value of the jaundice index of the baby?

For full-term infants, the normal jaundice index is less than 221 micromoles per liter, while the normal jaundice index for premature infants is less than 256 micromoles per liter. Parents can observe whether the baby has skin, mucous membrane and sclera yellowing at any time. If abnormal, they need to be sent to the hospital for examination and treatment.