In the presence of suspicious symptoms a number of test are helpful in the diagnosis: * Muscle enzymes are often elevated, i.e. creatine kinase * Anti-Jo-1 antibody testing * Electromyography * Muscle biopsy * Pulmonary function testing * Lung biopsy * Imaging such as High Resolution computed tomography In certain situations, testing of other antibodies, specific imaging (MRI, thoracic high resolution computed tomography), and swallowing evaluation may be needed.
Antisynthetase syndrome
CREST syndrome
Mixed connective tissue disease
Anti-IgLON5 disease
TNF receptor associated periodic syndrome
Auto-brewery syndrome
Cryopyrin-associated periodic syndrome
Mast cell activation syndrome