Service Description

The Jo-1 IgG test detects antibodies against the Jo-1 protein, which are associated with autoimmune myositis, particularly polymyositis and dermatomyositis. Why it’s done: To help diagnose autoimmune muscle disorders To evaluate patients with muscle weakness, fatigue, or inflammation To monitor disease activity and treatment response To assist in differentiating myositis from other neuromuscular conditions Specimen Type: Blood draw Turnaround Time: Typically 3–5 business days Collection Available: In-office or mobile blood draw services