A member asked:

Antinuclear antibodies are diagnostic of what?

A doctor has provided 1 answer

Part of diagnosis: Antinuclear antibodies, ana, may be present in older folks without any disease. ANA are present in many diseases, e.g., lupus, rheumatoid arthritis and other auto-immune disorders. Presence of ANA needs to be evaluated in concert with other findings.

Answered 6/10/2014

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