Category : OTHER HEMATOLOGY | Code : K1001
ACA IgG


Function
Anticardiolipin antibodies (ACA) is a group of autoantibodies that attack cardiolipin (a substance contained in cells and platelets). This examination is useful for establishing the diagnosis of anti-phospholipid syndrome (APS). ACA autoantibody activity can cause several diseases, such as autoimmune disease, recurrent abortion, and blood clotting disease. ACA examination consists of ACA IgG and IgM tests.
Test Schedule | Estimated Test Result | Container | Substance | Stability |
---|---|---|---|---|
Monday - Saturday < 10 am | 1 day | Plain | Serum, 1 mL | 4-8 hours 2 - 8⁰C, >2 days freezer |

Condition
Non-lysis and non-lypemic

Method
Enzyme-linked immunosorbent assay (ELISA) detecting isotype-specific ACA binding to a microtiter plate coated with purified cardiolipin antigen

Score Reference
• IgG: − Negative: <15 GPL − Indeterminate: 15−20 GPL − Low-medium positive: >20−80 GPL − Positive: >80 GPL • IgM: − Negative: <13 MPL − Indeterminate: 13−20 MPL − Low-medium positive: >20−80 MPL − Positive: >80 MPL