New Test Guides
Autoimmune Rheumatic and Related Diseases This document provides information about laboratory tests used in the diagnosis and classification of autoimmune rheumatic and related diseases. The document also includes a summary of symptoms and diagnosis/classification criteria for the various conditions.
Inflammatory Bowel Disease: Laboratory Support of Diagnosis and Management This Clinical Focus reviews the selection and interpretation of laboratory tests used in the workup of symptomatic patients. It also reviews the use of laboratory tests for differentiating active and quiescent disease and predicting relapse in patients with IBD.
PD-L1 Lung (Nivolumab), IHC This test is used to identify patients with advanced nonsquamous, non-small-cell lung cancer who may have enhanced survival following treatment with nivolumab.
PD-L1 Lung (Pembrolizumab), IHC This test is used to identify patients with non-small-cell lung cancer who are eligible for treatment with pembrolizumab.
Sjogren Syndrome: Laboratory Support of Diagnosis This Clinical Focus presents information on the role of laboratory tests in the diagnosis of Sjogren syndrome and evaluation for concurrent, associated conditions.