Practice question

Answer the question and get instant feedback.

EasyRheumatologySystemic lupus erythematosusuk-plab-1

A 26-year-old woman presents with a photosensitive malar rash sparing the nasolabial folds, arthralgia and fatigue. Urinalysis shows 1+ protein and 1+ blood. What is the most appropriate initial blood test to support the suspected diagnosis?

Practice more on iatroX

Educational content. Not a substitute for clinical judgement or local policy.