Measures citric acid levels in biological samples to assess metabolic processes.

Evaluates kappa light chain levels to screen for plasma cell dyscrasias.

Detects anti-Saccharomyces cerevisiae antibodies to aid in the diagnosis of inflammatory bowel disease.

Identifies anti-MDA-5 antibodies, linked to dermatomyositis and interstitial lung disease.

Detects Neisseria gonorrhoeae infection using specific molecular or serological methods.

Detects anti-centromere antibodies, associated with limited scleroderma and other connective tissue disorders.

Evaluates antithrombin III levels to assess coagulation and bleeding risk.

Assesses bile acid levels in stool or serum to evaluate liver function and bile flow.

Performs immunoelectrophoresis on serum to analyze protein fractions and detect abnormal proteins.

Conducts immunoelectrophoresis on urine or CSF to detect paraproteins and abnormal protein patterns.