Alberta Precision Laboratories

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Organization:

Alberta Precision Laboratories

Test Name/Synonym:

Bilirubin, Total and Conjugated (Synonyms: Direct Bilirubin)

Test Includes:

Neonatal bilirubin and conjugated bilirubin: Less than 30 days of age.
Bilirubin,Total and conjugated: 30 days of age or greater.

LABID (Connect Care):

LAB168

Primary Container:

MINT LIHEP PST

Alternate Containers:

GOLD SST

Minimum Collection Volume:

0.2 mL plasma or serum

Specimen Collection Requirements:

For those sites that refer to Diagnostic and Scientific Centre or Edmonton Base Lab, see Bilirubin, Total and Conjugated in the former DynaLIFE Medical Labs Test Directory or contact Specimen Control at 1-800-661-9876.

Protect neonatal and infant specimens (up to 5 months of age) from light. Collect in GOLD SST amber microtainer, MINT LIHEP PST with amber sleeve, or cover from light.

Test Resources:

General Laboratory Requisition – 21302

Calgary Zone: Minimum Whole Blood Volumes for Microcollections

Testing Schedule:

Daily

Reference Interval:

Age	µmol/L
0 days up to 7 days	None
7 days up to 15 days	Less than 250
15 days up to 30 days	Less than 20
30 days up to unspecified	Less than 20

Bilirubin, Conjugated
Age	µmol/L
All	Less than 7

Critical Value:

Bilirubin, Total
Age	µmol/L
0 days up to 30 days	Greater than 300
30 days up to unspecified	None

Bilirubin, Conjugated: None

Calgary Zone: Critical values

Testing Area:

Biochemistry

Performing Site:

For a listing of Total Bilirubin performing locations refer to Bilirubin, Total

Neonatal Bilirubin and Conjugated Bilirubin, Total and Conjugated
Calgary Zone	Airdrie Community Health Centre Alberta Children’s Hospital Canmore General Hospital Cochrane Community Health Centre Didsbury District Health Services High River General Hospital Peter Lougheed Centre Rockyview General Hospital Sheldon M. Chumir Health Centre South Calgary Health Centre South Health Campus Strathmore District Health Services
Central Zone	Camrose - St. Mary’s Hospital Drayton Valley Hospital and Care Centre Drumheller Health Centre Hanna Health Centre Innisfail Health Centre Lacombe Hospital and Care Centre Olds Hospital and Care Centre Ponoka Hospital and Care Centre Provost Health Centre Red Deer Regional Hospital Centre Rimbey Hospital and Care Centre Rocky Mountain House Health Centre Stettler Hospital and Care Centre Sundre Hospital and Care Centre Three Hills Health Centre Viking Health Centre Wainright Health Centre Wetaskiwin Hospital and Care Centre
Edmonton Zone	East Edmonton Health Centre Fort Saskatchewan Community Hospital Grey Nuns Community Hospital Leduc Community Hospital Misericordia Community Hospital Northeast Community Health Centre Royal Alexandra Hospital Strathcona Community Hospital Sturgeon Community Hospital University of Alberta Hospital Westview Health Centre – Stony Plain
North Zone	Athabasca Healthcare Centre Barrhead Healthcare Centre Beaverlodge Municipal Hospital Bonnyville Healthcare Centre Central Peace Health Complex Cold Lake Healthcare Centre Edson Healthcare Centre Fairview Health Complex Grande Cache Community Health Complex Grande Prairie Regional Hospital High Prairie Health Complex Hinton Healthcare Centre Northern Lights Regional Health Centre – Fort McMurray Northwest Health Centre – High Level Peace River Community Health Centre Sacred Heart Community Health Centre - McLennan Slave Lake Healthcare Centre St. Theresa General Hospital – Fort Vermilion St. Therese – St. Paul Healthcare Centre Valleyview Health Centre Wabasca / Desmarais Healthcare Centre Westlock Healthcare Centre Whitecourt Healthcare Centre William J. Cadzow – Lac La Biche Healthcare Centre
South Zone	Brooks Health Centre Cardston Health Centre Chinook Regional Hospital Medicine Hat Regional Hospital Oyen – Big Country Hospital Pincher Creek Health Centre Raymond Health Centre Taber Health Centre

Additional Test Information:

Bilirubin, Total and Conjugated ONLY
Calgary Zone	Banff – Mineral Springs Hospital Diagnostic and Scientific Centre
Edmonton Zone	Edmonton Base Lab

For children between the ages of 7 days and 5 months less a day, if the total or neonatal bilirubin result is greater than 20 umol/L, the results for conjugated bilirubin and the percentage of conjugated bilirubin will also be reported.

The following comment will be appended to the results when the percentage of conjugated bilirubin is greater than or equal to 20%:

“In infants conjugated hyperbilirubinemia (conjugated bilirubin fraction of bilirubin greater than or equal to 20% of the total or neonatal bilirubin) is pathologic. Prompt evaluation is necessary especially to assess for Biliary Atresia. Consider referral to pediatric gastroenterologist”.

For information regarding Biliary Atresia protocol, please see Lab Bulletin .

Last Updated On:

Monday, June 16, 2025