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Guidance summary

1.3 Threshold table

Consensus-based bilirubin thresholds for the management of babies of 38 weeks or more gestational
age with hyperbilirubinaemia
Age (hours) Bilirubin measurement (micromol/litre)
0 > 100 > 100
6 > 100 > 112 > 125 > 150
12 > 100 > 125 > 150 > 200
18 > 100 > 137 > 175 > 250
24 > 100 > 150 > 200 > 300
30 > 112 > 162 > 212 > 350
36 > 125 > 175 > 225 > 400
42 > 137 > 187 > 237 > 450
48 > 150 > 200 > 250 > 450
54 > 162 > 212 > 262 > 450
60 > 175 > 225 > 275 > 450
66 > 187 > 237 > 287 > 450
72 > 200 > 250 > 300 > 450
78 > 262 > 312 > 450
84 > 275 > 325 > 450
90 > 287 > 337 > 450
96+ > 300 > 350 > 450

Action Repeat bilirubin Consider Start phototherapy Perform an exchange
measurement in phototherapy and transfusion unless the
6–12 hours repeat bilirubin bilirubin level falls
measurement in below threshold while
6 hours the treatment is being
prepared

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