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Indikation  Arthritis

Name Arthritis
Additional testing level 1 Blood tests: serum: RF, anti-CCP, CRP, complement, immune complexes, uric acid, ACE, Ca, parathyroid hormone; EDTA blood: complete blood count; heparin-diluted blood: HLA-B27, HLA-DR4.
Puncture fluid: synovial fluid analysis, cytology, rheumatoid factors, if necessary Borrelia immunoblotting, Yersinia immunoblotting.
If autoimmune disease is suspected: ANA; if positive: ENA, ANCA, anti-ds-DNA AB, histones,
If para- or postinfectious arthritis is suspected: serology: AB against Borrelia, Yersinia, Campylobacter, Chlamydia, Salmonella, parvovirus B19, hepatitis B virus, rubella virus, Streptococci (ASL).