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Test Name

Cardiolipin Antibody (IgA)

CPT Code(s)

86147

Methodology

Immunoassay (IA)

Reference Range(s)

Cardiolipin Antibody IgA

≤11 APL Negative
12-20 APL Indeterminate
21-80 APL Low to medium positive
>80 APL High positive

Clinical Significance

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.

Test FAQ

Antiphospholipid Antibodies

Alternative Name(s)

Phospholipid Antibody, IgA,Anti-Cardiolipin IgA

To view specimen requirements and codes please Select a regional laboratory.

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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.

* The tests listed by specialist are a select group of tests offered. For a complete list of Quest Diagnostics tests, please refer to our Directory of Services.

4661
4661
4661
4661
4661
4661X
4661X
4661
4661
4661X
4661X
20447
20447 CARD IGA
4661X
ANTI CARDIO IGA
CARD IGA
4661
4661
4661
4661
4661
4661
4661X
13374
4661
4661
Cardiolipin Antibody (IgA)
4661