MB2GP - Overview: Beta-2 Glycoprotein 1 Antibodies, IgM, Serum

Evaluating patients with suspected antiphospholipid syndrome by identification of beta-2 glycoprotein 1 IgM antibodies First-line test when antiphospholipid syndrome is strongly suspected in conjunction with cardiolipin antibodies (IgG...

GB2GP - Overview: Beta-2 Glycoprotein 1 Antibodies, IgG, Serum

Evaluating patients with suspected antiphospholipid syndrome by identification of beta-2 glycoprotein 1 IgG antibodies First-line test when antiphospholipid syndrome is strongly suspected, in conjunction with cardiolipin antibodies (IgG...

CPAVP - Overview: Copeptin proAVP, Plasma

Investigating the differential diagnosis for patients with water balance disorders, including diabetes insipidus, in conjunction with osmolality and hydration status May aid in the evaluation of cardiovascular disease in conjunction with...

KCSF - Overview: Immunoglobulin Kappa Free Light Chain, Spinal Fluid

Diagnosing multiple sclerosis and other demyelinating conditions Evaluating patients who present with a clinically isolated syndrome in which the patient reports symptoms (headaches, optic neuritis, fatigue, and many others, depending on...

AMA - Overview: Mitochondrial Antibodies (M2), Serum

Establishing the diagnosis of primary biliary cholangitis This test is not useful for indicating the stage or prognosis of the disease or for monitoring the course of the disease.

MCMRU - Overview: Mast Cell Mediators, Random, Urine

Evaluating patients at risk for mast cell activation syndrome (eg, systemic mastocytosis) using random urine collections

RAVMP - Overview: Ravulizumab Monitoring Panel, Serum

Monitoring of complement blockage by ravulizumab Assessing the response to ravulizumab therapy Assessing the need for dose escalation Evaluating the potential for dose deescalation or discontinuation of therapy in remission...

PBC2 - Overview: SP100 and GP210 Antibodies, IgG, Serum

Evaluating the risk of primary biliary cholangitis in anti-mitochondrial antibody (AMA)-negative patients by identification of Sp100 and gp210 antibodies Estimating risk in AMA-positive patients with incomplete feature of disease

SERWB - Overview: Serotonin, Blood

In conjunction with, or as an alternative to, first-order tests in the differential diagnosis of isolated symptoms suggestive of carcinoid syndrome, in particular flushing (5-hydroxyindoleacetic acid or serum chromogranin A measurements are...

F_9 - Overview: Coagulation Factor IX Activity Assay, Plasma

Diagnosing deficiencies, particularly hemophilia B (Christmas disease) Assessing the impact of liver disease on hemostasis Investigation of a prolonged activated partial thromboplastin time