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Antiphospholipid antibody, lupus anticoagulant, LA, ACA.
To detect the presence of antiphospholipid antibodies, which can lead to the development of blood vessel problems and complications including stroke, heart attack, and miscarriage.
There are no food, fluid, activity, or medication restrictions unless by medical direction.
Method: Immunoassay, enzyme-linked immunosorbent assay (ELISA).
|IgA (APL = 1 unit IgA phospholipid)||IgG (GPL = 1 unit IgG phospholipid)||IgM (MPL = 1 unit IgM phospholipid)|
|Negative: 0–11 APL||Negative: 0–14 GPL||Negative: 0–12 MPL|
|Indeterminate: 12–19 APL||Indeterminate: 15–19 GPL||Indeterminate: 13–19 MPL|
|Low-medium positive: 20–80 APL||Low-medium positive: 20–80 GPL||Low-medium positive: 20–80 MPL|
|Positive: Greater than 80 APL||Positive: Greater than 80 GPL||Greater than 80 MPL|
Critical Findings and Potential Interventions