Neonatal Bilirubin Treatment Threshold Calculator

Plots serum bilirubin against NICE CG98 phototherapy / exchange transfusion thresholds for a given gestation. For clinical decision support only — does not replace clinical judgement or the full guideline.

Baby details

Gestation — weeks

Date & time of birth

Add bilirubin reading

SBR (serum) TCB (transcutaneous)

By date & time taken Manual postnatal age

Date & time taken

Bilirubin (µmol/L)

Threshold chart

Phototherapy threshold Exchange transfusion threshold Within 50 µmol/L of phototherapy threshold Reading — reassuring TCB — approaching threshold Reading — at/above phototherapy Reading — at/above exchange

Readings (table view)

Age	Type	Bilirubin	Status

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