Bilirubin Level:

(ex: 4.6)

Age In Hours:

(at time of TCB reading)

(6 - 96 hours)


 TCBTool Server Time: 12:32:02 PM

Click to calculate risk level

In the form above, please enter the the TCB level obtained from your bilirubinometer and the age of the child (between ages 6 to 96 hours). Please note that these values correspond only to TCB levels and are not intended for serum bilirubin levels.

For calculation of risk using serum bilirubin levels, please use