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Cardiolipin Antibodies (IgA, IgG, IgM)
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**IMPORTANT: CPT Code is informational only; obtain the Test Code for ordering.
Cardiolipin Antibody (IgA)
|21-80 APL||Low to medium positive|
|>80 APL||High positive|
Cardiolipin Antibody (IgG)
|21-80 GPL||Low to medium positive|
|>80 GPL||High positive|
Cardiolipin Antibody (IgM)
|21-80 MPL||Low to medium positive|
|>80 MPL||High positive|
Cardiolipin antibodies (CA) are seen in a subgroup of patients with autoimmune disorders, particularly systemic lupus erythematosus (SLE), who are at risk for vascular thrombosis, thrombocytopenia, cerebral infarct and/or recurrent spontaneous abortion. Elevations of CA associated with increased risk have also been seen in idiopathic thrombocytopenic purpura, rheumatoid and psoriatic arthritis, and primary Sjögren's syndrome.
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
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