Alberta Precision Laboratories

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Organization:

Alberta Precision Laboratories

Message Alert:

PLEASE NOTE: This Test Directory is in an interim state and due to changes pertaining to the DynaLIFE transition, performing site for routing has not been updated. Please refer to Laboratory Information System for appropriate routing.

Test Name/Synonym:

Apolipoprotein B100 (Synonym: APO-B, APOB, Apo-B100,
Lipoprotein B)

LABID (Connect Care):

LAB4611

Specimen Type:

Blood

Primary Container:

GOLD SST

Alternate Containers:

RED
Calgary: RST
Edmonton: MINT LIHEP PST

Minimum Collection Volume:

Calgary: 0.5 mL serum
Edmonton: 2 mL plasma or serum

Specimen Collection Requirements:

Fasting is preferred but not a requirement.

Test Resources:

General Laboratory Requisition – 21302 – write test name under “Additional Tests”

Calgary Zone: Microcollection Minimum Whole Blood Volumes

Calgary Zone: Acceptable Tests for Rapid Serum Tube (RST) Collection

Processing:

For testing sent to Edmonton: Centrifuge, aliquot and freeze plasma or serum within 24 hours of collection.

Transportation:

For testing sent to Calgary	For testing sent to Edmonton
Transport at room temperature	Transport frozen

Method:

Calgary: Turbidometric
Edmonton: Light scatter technology

Testing Schedule:

Calgary: Monday to Friday
Edmonton: Batched - test performed within 1 week of receipt.

Reference Interval:

Age	Gender	g/L
Less than 18 years	All	Less than 0.90
18 years or greater		Less than 1.05

Result comments:

Refer to 2021 CCS guidelines for additional ApoB thresholds based on risk stratification. (2021 CCS Guidelines. Can J Cardiol. 2021; S0828)
If result greater than or equal to 1.05 g/L: If ApoB greater than or equal to 1.05 g/L in primary prevention setting for low-risk patients with FRS 5%-9.9% or intermediate-risk patients, consider therapy. Therapy also suggested in low-risk patients with ApoB greater than or equal to 1.45 g/L.

Testing Area:

Biochemistry

Performing Site:

Calgary: Diagnostic and Scientific Centre
Edmonton: University of Alberta Hospital

Additional Test Information:

This test is performed by Calgary Immunochemistry and Edmonton Special Chemistry

Last Updated On:

Monday, January 15, 2024