Newborn born 3 days jaundice value 13.4, what does it mean?

The jaundice value of 13.4 on the third day after birth is a little high, and blue light irradiation is needed. Under normal circumstances, the bilirubin of newborns does not exceed 12 between 48 hours and 72 hours after birth, which belongs to physiological jaundice and does not require special treatment and treatment.