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Maumelle, AR
A 26-year-old female asked:

What is considered a positive result for the sm antibody for sle? my ana 1:320 but dna was negative. so many blood tests for sle diagnosis!!

1 doctor answer • 3 doctors weighed in
Dr. Leila Hashemi
Dr. Leila Hashemianswered
Internal Medicine 23 years experience
SLE: hi, diagnosis of SLE is not base on blood test, positive DsDNA and ANA are just one out of 11 criteria for diagnosis of SLE, to diagnose SLE you need to have 4 out of 11 criteria. ANA is a non- specific test and false positive rate is high, especially in women and elderly.
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Dr. Heidi Fowler
Dr. Evan Altman
Dr. Heidi Fowler and another doctor agree2 doctors agree

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Last updated May 9, 2016

Found in:

Blood›Lupus›ANA

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