Which lab studies are helpful in the diagnosis of rheumatoid arthritis (RA)?

Updated: Feb 07, 2020
  • Author: Howard R Smith, MD; Chief Editor: Herbert S Diamond, MD  more...
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Answer

Potentially useful laboratory studies in suspected RA include the following:

  • Erythrocyte sedimentation rate

  • C-reactive protein level

  • Complete blood count

  • Rheumatoid factor assay

  • Antinuclear antibody assay

  • Anti−cyclic citrullinated peptide and anti−mutated citrullinated vimentin assays


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