Pathology tests database

Sample and container requirements

Serum Lithium Heparin Plasma (paediatrics only)

Minimum volume required

85 µL serum/plasma

Special requirements

Bilirubin is light-sensitive. Samples should be protected from exposure to sunlight and strong artificial light, as photodegradation can lead to falsely low bilirubin results.

Patient preparation

None

Sample viability

Turnaround time

This assay is run throughout the day and night. The in-lab turnaround time is normally less than 24 hours. The test can be ordered as an urgent request.

Reference range

14 days – Adults: <21 µmol/L (Source: Pathology Harmony Recommendations)

Clinical guidance

Total bilirubin forms part of the liver function test profile. Please refer to LabTestsOnlineUK to learn more about bilirubin. https://labtestsonline.org.uk/tests/bilirubin Further information: NICE CG98 Neonatal Jaundice Guidelines: https://www.nice.org.uk/guidance/CG98

Notes