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Bile salts
Also known as : [Bile acids],[Total bile salts]


Plasma/Serum
Test performed by: LabPLUS Special Chemistry


Specimen Collection

Bile salts are stable in serum/plasma for at least 7 days at 4 0 C.

REQUEST FOR URGENT BILE ACIDS testing in pregnancy (i.e. require <24 hours turn around time)

1. Prior approval must be from an Obstetrician/Obstetric Physician Senior Medical Officer OR Maternal-Fetal Medicine

2. Out of hours urgent requests (from 16:30 Friday until 12:00 Sunday, with the exception of public holidays) will also require approval by a LabPlus Chemical Pathologist.


Plain

4 mL Plain Serum (Preferred)

Micro-heparin

2.5 mL Paediatric Micro-heparin Blood (Preferred)

Required 2 x micro plain tubes


EDTA

4 mL EDTA Blood

Heparin

4 mL Heparin Blood

SST

3.5 mL SST Blood

Micro-heparin

2.5 mL Paediatric Micro-heparin Blood

Required 2 x micro heparin tubes


PST

4.5 mL PST Blood
Reference Intervals

Units: umol/L

Reference interval: <15

Uncertainty of Measurement: 12 %



Turnaround Time: Within 1 week

Performed twice a week.


Assay Method

Principle : Kinetic rate reaction

Reagent: Diazyme TBA

Analyser: Indiko Plus


Diagnostic Use and Interpretation

Alternately, click the link for a full copy of the diagnostic/interpretation of the test

Download: Diagnostic and interpretation - Bile acids - testguide dx use and interpretation information - 11 2 19.pdf

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Contact Information

Emails to chemicalpathologist@adhb.govt.nz will receive priority attention from the on-call chemical pathologist.

If the query concerns a specific patient please include the NHI number in your email.

If email is not a suitable option, please contact the on-call chemical pathologist via Lablink (Auckland City Hospital ext. 22000 or 09-3078995).

Individual chemical pathologists may be contacted but will not be available at all times.

After-hours : contact Lablink (Auckland City Hospital ext. 22000 or 09-3078995) or hospital operator for on duty staff after hours.


Dr Samarina Musaad (Clinical Lead) : SamarinaM@adhb.govt.nz ext. 22402

Dr Cam Kyle: CampbellK@adhb.govt.nz ext 22052

Dr Weldon Chiu: WeldonC@adhb.govt.nz ext. 23427

Dr Campbell Heron: CHeron@adhb.govt.nz ext. 23427

Dr Sakunthala Jayasinghe: Sakunthala@adhb.govt.nz ext. 23427




Last updated at 10:14:56 10/04/2025