Thread: RNP antibody
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Old 06-05-2009, 02:40 PM   #1
Postie Postie is offline
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RNP antibody

Can anyone explain what this means.

RNP AB is 9. Reference range is 0-49.
Less than 20 shows none detected.

I don't understand this. If there's none detected, how does a 9 show up? Does this mean I don't have RNP antibody?