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Laboratory Medicine

Test catalogue

Apolipoprotein B (APOB)

Test Name

Apolipoprotein B (APOB)

Gold Tube Specimen Type / Requirements

Container Type = Gold (SST)

Minimum Volume = 1ml Serum

Tube must fill to at least ½ or greater of its vacuum capacity

Specimen Handling

Collection Instructions: Ensure both sample and requisition are labelled properly Serum or plasma, free from hemolysis, collected with or without gel separator.

Write your initials, date and time of collection on the collection label.

Laboratory Staff Instructions:Samples can be kept at 2-8°C for up to 48 hours after collection. Samples must be frozen with 48 hours of collection at -70°C until analysis Separate serum or plasma from cells within 2 hours of collection.

Stability: Unfrozen samples can be analyzed if stored in a laboratory refrigerator for up to 7 days. Frozen samples are stable when stored at – 20°C for up to 3 months or when stored at – 70°C for up to 5 years. Thaw only once.

Transportation: Transport at room temperature ASAP. Place on ice if time of collection to time sample get to lab exceeds 2hrs

Sample Rejection Criteria: Unlabeled or Not Sufficient Quantity samples will be rejected.

(i) Samples that have been thawed for more than 48 hours. Unlabeled or Not Sufficient Quantity samples will be rejected.

(ii) Samples that are more than 48 hours old before freezing

(iii) Samples that have been refrozen

Required Documentation

Turnaround Time (TAT)

7 Days (Batched)

Test Utilization

Reference Value

0.59 – 1.46 g/L

Test Code




Testing Location


Other Information

Last Updated: June 06, 2019