AN2TS - Overview: Antineuronal Nuclear Antibody Type 2 (ANNA-2) Titer, Serum

Investigating middle-aged or older patients who present with unexplainable signs of midbrain/cerebellar/brain stem disorder and/or myelopathy, especially women with a previous history of breast cancer, and both sexes if there is a history...

AN1TS - Overview: Antineuronal Nuclear Antibody-Type 1 (ANNA-1) Titer, Serum

Diagnosis of paraneoplastic autoimmune neuropathies, encephalomyeloradiculopathies, related neurologic disorders, and intestinal pseudo-obstruction/dysmotility associated with small-cell lung carcinoma Reporting an end titer result from...

A1AFS - Overview: Alpha-1-Antitrypsin Clearance, Feces and Serum

Diagnosing protein-losing enteropathies

ACRN - Overview: Acylcarnitines, Quantitative, Plasma

Diagnosis of fatty acid oxidation disorders and several organic acidurias using plasma specimens Evaluating treatment during follow-up of patients with fatty acid beta-oxidation disorders and several organic acidurias

ALFA - Overview: Alpha-Lactalbumin, IgE, Serum

Establishing a diagnosis of an allergy to alpha-lactalbumin Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm...

ALBSF - Overview: Albumin, Spinal Fluid

Assessment of blood-brain barrier permeability

ISAE - Overview: Aerobe Identification by Sequencing (Bill Only)

Aerobe Identification by Sequencing (Bill Only)

APTSC - Overview: Activated Partial Thromboplastin Time (APTT), Plasma

Screening for certain coagulation factor deficiencies and abnormalities (eg, factor VIII, IX, XI, or XII) Detecting coagulation inhibitors such as lupus anticoagulant, antiphospholipid antibodies, specific factor inhibitors, and...

ABOPC - Overview: Arbovirus Antibody Panel, IgG and IgM, Spinal Fluid

Aiding in the diagnosis of arboviral encephalitis (California [LaCrosse], St Louis, Eastern equine, and Western equine encephalitis)

ISAN - Overview: Anaerobe Identification by Sequencing (Bill Only)

Anaerobe Identification by Sequencing (Bill Only)