Performed by: Labcorp

This test is used for evaluating Interstitial Lung Disease (ILD) associated with various autoimmune disorders such as Systemic Sclerosis (SS), Sjögren's Syndrome (SjS), Systemic Lupus Erythematosus (SLE), Rheumatoid Arthritis (RA), Idiopathic Inflammatory Myopathies (IIM), and ANCA-Associated Vasculitis (AAV). Identifying an underlying autoimmune condition in ILD patients is crucial for guiding therapeutic decisions and significantly influences prognosis.