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Anti-CCP antibodies, ACPA.
To assist in diagnosing and monitoring rheumatoid arthritis.
There are no food, fluid, activity, or medication restrictions unless by medical direction.
IgG Ab (Method: Immunoassay, enzyme-linked immunosorbent assay [ELISA]).
|Negative||Less than 20 units|
|Weak positive||20–39 units|
|Moderate positive||40–59 units|
|Strong positive||60 units or greater|
Critical Findings and Potential Interventions