LDBF - Overview: Lactate Dehydrogenase (LDH), Body Fluid
Identification of exudative pleural effusions Lactate dehydrogenase in pericardial fluids is not diagnostically useful.
ANCA - Overview: Cytoplasmic Neutrophil Antibodies, Serum
Evaluating patients with clinical features of ANCA-associated vasculitis, specifically granulomatosus with polyangiitis, microscopic polyangiitis, and eosinophilic granulomatosus with polyangiitis
FACT - Overview: Filamentous-Actin (F-actin) Antibody, IgG, Serum
Evaluation of patients with hepatitis of unknown origin associated with hypergammaglobulinemia and/or abnormal liver enzymes This test may also be useful for confirming positivity for smooth muscle antibodies.
Distinguishing between hepatocellular carcinoma and chronic liver disease Monitoring individuals with hepatic cirrhosis from any etiology for progression to hepatocellular carcinoma Surveillance for development of hepatocellular...
PREGN - Overview: Pregnenolone, Serum
An ancillary test for congenital adrenal hyperplasia, particularly in situations in which a diagnosis of both 21- and 11-hydroxylase deficiency have been ruled out Confirming a diagnosis of 3-beta-hydroxy dehydrogenase deficiency
FOBT - Overview: Fecal Occult Blood, Colorectal Cancer Screen, Qualitative, Immunochemical, Feces
Colorectal cancer screening Screening for gastrointestinal bleeding This test has not been validated for testing of patients with hemoglobinopathies.
ARBI - Overview: Acetylcholine Receptor (Muscle AChR) Binding Antibody, Serum
Supporting the diagnosis of autoimmune myasthenia gravis (MG) in adults and children Distinguishing autoimmune from congenital MG in adults and children or other acquired forms of neuromuscular junction transmission disorders An adjunct...
SFUNG - Overview: 1,3-Beta-D-Glucan (Fungitell), Serum
Aiding in the diagnosis of invasive fungal infections caused by various fungi, including Aspergillus species, Fusarium species, Candida species, and Pneumocystis jirovecii, among others
CAMPC - Overview: Campylobacter Culture, Feces
Determining whether Campylobacter species may be the cause of diarrhea Reflexive testing for Campylobacter species from nucleic acid amplification test-positive feces This test is generally not useful for patients hospitalized more than...
SM - Overview: Smith (Sm) Antibodies, IgG, Serum
Evaluating patients with clinical features suggestive of antinuclear antibody associated connective tissue disease and the confirmation of a diagnosis of systemic lupus erythematosus. Testing for Smith antibodies is not useful in patients...