Bilirubin (Blood Gas)
1.0 ml blood in an adult blood gas syringe or 0.5 ml in a paediatric blood gas syringe
Available in NICU, Delivery Suite, Ward E2, Ward E5
Remove at least 3 ml of blood to waste prior to collecting the blood sample from a line
Either 0.5 mL blood in a paediatric blood gas syringe or 45 uL into a plastic capillary tube
POCT
Mon - Sun, 24hrs
30 minutes
Blood gas analyser
µmol/L
|
Age |
Total Bilirubin (µmol/L) |
Comment |
|
Cord Blood |
≤ 50 |
Action cut points for treatment and monitoring of newborn hyperbilirubinaemia.
Refer to neonatal unit protocol. |
|
Up to 24 hrs |
≤ 150 |
|
|
≥ 24 hrs to < 48 hrs |
≤ 200 |
|
|
≥ 48 hrs to < 72 hrs |
≤ 250 |
|
|
≥ 3 days to < 7 days |
≤ 300 |
|
|
≥ 7 days to < 3 weeks |
≤ 100 |
|
|
≥ 3 weeks to < 4 weeks |
≤ 50 |
|
|
≥ 4 weeks |
< 25 |
± 5%
Conjugated fractions can be determined on request if the total bilirubin is elevated.
This analysis cannot be performed if there is excessive haemolysis.
Samples for bilirubin can have values decreased by up to 50% per hour by light exposure.
45 uL collected into a plastic capillary tube
BILBG
$BILBG
