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Anti-Cardiolipin Antibodies IgG/IgM (Phospholipid Antibody, ACA, APLA)

Test Name

Anti-Cardiolipin Antibodies IgG/IgM (Phospholipid Antibody, ACA, APLA)

Gold Tube Specimen Type / Requirements

Container Type = 1 Gold Top (SST)

Minimum Volume = 2 mL serum

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

Specimen Handling

Collection Instructions: Serum can be obtained from an SST gold tube. Following collection, serum should be separated from the clot, following centrifugation. Store samples at room temperature no longer than 8 hours. If the assay will not be completed within 8 hours, or for shipment of the sample, freeze at -20°C or lower. Write your initials, date and time of collection on the collection label.

Transportation: Send sample at room temperature to core lab as soon as possible.

Sample Rejection Criteria: Grossly hemolyzed samples, Unlabeled or samples with insufficient quantity will be rejected.

Required Documentation

Turnaround Time (TAT)

3 days

Test Utilization

Reference Value


≤ 20 U/mL



≤ 20 U/mL

Test Code

ACA (IgG/IgM) + B2GP1 (IgG/IgM) = ACAPN

Individual Tests:



Testing Location

SMH-Special Coagulation

Other Information

Last Updated: December 11, 2020