Measures fecal elastase to evaluate pancreatic exocrine function and diagnose insufficiency.

Detects antibodies against gastric parietal cells using IFA for autoimmune gastritis diagnosis.

Uses PCR to detect BK virus DNA, important in monitoring transplant patients for viral reactivation.

Identifies CAL R mutations, which can be linked to certain hematological conditions.

Detects the Factor V Leiden mutation to assess genetic risk for venous thromboembolism.

Uses PCR on tissue or fluid samples to detect Mycobacterium tuberculosis for tuberculosis diagnosis.

Detects ROS1 protein expression by immunohistochemistry, aiding in lung cancer diagnosis.

Assesses ROS1 gene rearrangements in non?small cell lung cancer to guide targeted treatment.

Screens for Hemoglobin E mutations to diagnose thalassemia and related hemoglobinopathies.

Uses FISH analysis to detect chromosomal abnormalities associated with Prader?Willi syndrome.