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Test ID:
APOB
Apolipoprotein B, Serum/Plasma
Orderable by Ontario ND
Test Overview
Method
Immunoturbidimetry
Analytical Platform
Roche
Result Included
Apolipoprotein B
Specimen
Specimen Type
SerumPlasma (EDTA)
Containers
Preferred Containers
Gold top (clot activator & gel)
Acceptable Containers
Lavender top (EDTA)
Volume
Sample Volume
1 mL
Collection & Handling
Handling Information
Separate within 2 hours of collection. Store and send frozen.
Note: You may submit a single 2 mL specimen when ordering both Apolipoprotein A1 and Apolipoprotein B to be performed at St. Michael’s Hospital, Toronto.
However, a concurrent order for Lipoprotein a requires a separate 1 mL specimen for Lipoprotein a.
Stability
| Refrigerated | Frozen |
|---|---|
| 7 days | 90 days |
At -70°C 5 years.<br>Once frozen, the specimen must remain frozen until it is received by the testing site.
Performance & Interpretation
Turnaround Time
10 days
Results
Name
Units
Reference Range
Conversion
-
Apolipoprotein Bg/LFemale:
0 to < 15 days: 0.1 - 0.7
15 days to < 1 y: 0.2 - 1.3
1 to < 6 y: 0.4 - 0.9
6 to < 19 y: 0.3 - 0.9
> 19 y: 0.60 - 1.41
Male:
0 to < 15 days: 0.1 - 0.7
15 days to < 1 y: 0.2 - 1.3
1 to < 6 y: 0.4 - 0.9
6 to < 19 y: 0.3 - 0.9
> 19 y: 0.66 - 1.44
Comment
Please follow the Canadian Cardiovascular Society lipid guidelines for clinical ApoB cut-offs that relate to the patient's Framingham Risk Score.
Referral Location
Canada
Interface & Setup
HL7 Interface Codes
| Order Code | Result Name | Result Codes | Units |
|---|---|---|---|
| APOB | Apolipoprot B | 2640 | g/L |
Test Version
Last Updated
2023-07-05