For diagnosis of<unk> , it must be determined whether<unk>  symptoms are indeed caused by SLE, whether they constitute a separate comorbid condition, or whether they are an adverse effect of disease treatment. In addition, onset of<unk>  symptoms may happen prior to the diagnosis of lupus. Due to the lack of uniform diagnostic standards, statistics about<unk>  vary widely. Tests which aid in diagnosis include MRI, electrophysiological studies, psychiatric evaluation, and autoantibody tests.
Neuropsychiatric systemic lupus erythematosus
Tumid lupus erythematosus
Discoid lupus erythematosus
Drug-induced lupus erythematosus
Sjögren syndrome
Chilblain lupus erythematosus
Chronic Lyme disease
Juvenile dermatomyositis