What is the role of urinalysis in the diagnosis of juvenile idiopathic arthritis (JIA)?

Updated: Jul 25, 2019
  • Author: David D Sherry, MD; Chief Editor: Lawrence K Jung, MD  more...
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Perform a urinalysis to exclude the possibility of infection (as a trigger for JIA or transient postinfectious arthritis). Proteinuria (>0.5 g/d or 3+ positive on dipstick testing) or cellular casts is consistent with renal involvement in SLE.

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