Apolipoprotein B
Beta Apolipoprotein
Testing Information
Sample Type
Serum
Test Codes
650070
CPT Code
82172
Testing Area
Core Lab - Chemistry
Test Methodology
Abbott Alinity - Immunoturbidmetric
Reference Range
<90 mg/dL
Expected Turnaround Time
Results Available 24 hours from Receipt at the laboratory.
Specimen Collection Criteria
Collect one gold top SST tube (minimum whole blood: 4 mL). Let specimen clot for 30-60 minutes and then centrifuge to separate serum from cells. Refrigerate after centrifugation.
Rejection Criteria
Grossly hemolyzed specimens, quantity not sufficient, improperly labeled
Specimen Validity and Retention
Centrifuged SST Tubes:Room Temperature (20-25°C): 3 daysRefrigerated (2-8°C): 3 daysFrozen (-20°C or greater): UnacceptableSerum AliquotsRoom Temperature (20-25°C): 3 daysRefrigerated (2-8°C): 3 daysFrozen (-20°C or greater): 7 daysSpecimens retained for 7 days after testing
Courier Transportation
Transport centrifuged tube refrigerated (2-8°C)
Clinical Utility
Apolipoprotein B may play a role in atherosclerosis and is important in assessing risk for coronary artery disease.
