LCMS - Overview: Leukemia/Lymphoma Immunophenotyping, Flow Cytometry, Varies

Evaluating lymphocytoses of undetermined etiology Identifying B- and T-cell lymphoproliferative disorders involving blood and bone marrow Distinguishing acute lymphoblastic leukemia (ALL) from acute myeloid leukemia (AML) Immunologic...

PCDES - Overview: Pediatric Autoimmune Encephalopathy/CNS Disorder Evaluation, Serum

Evaluating children with autoimmune central nervous system disorders using serum specimens

APOAB - Overview: Apolipoprotein A1 and B, Serum

Assessment of cardiovascular risk Follow-up studies in individuals with basic lipid measures inconsistent with risk factors or clinical presentation Definitive studies of cardiac risk factors in individuals with significant family...

APIXA - Overview: Apixaban, Anti-Xa, Plasma

Measuring apixaban concentration in selected clinical situations (eg, renal insufficiency, assessment of compliance, periprocedural measurement of drug concentration, suspected overdose, advanced age, and extremes of body weight)

AFPSF - Overview: Alpha-Fetoprotein (AFP), Spinal Fluid

An adjunct in the diagnosis of central nervous system (CNS) germinomas and meningeal carcinomatosis Evaluating the presence of germ-cell tumors in the CNS, in conjunction with cerebrospinal fluid (CSF) beta-human chorionic gonadotropin...

AMISO - Overview: Amylase, Isoenzymes, Serum

Ruling out salivary amylase as the cause of elevated serum amylase

ACMFS - Overview: Acetylcholine Receptor Modulating Antibody, Flow Cytometry Assay, Serum

Diagnosis for 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. This test is a...

AFPA - Overview: Alpha-Fetoprotein, Amniotic Fluid

Screening for open neural tube defects or other fetal abnormalities Follow-up testing for patients with elevated serum alpha-fetoprotein results or in conjunction with cytogenetic testing

ALDU - Overview: Aldosterone, 24 Hour, Urine

Investigating primary aldosteronism (eg, adrenal adenoma/carcinoma and adrenal cortical hyperplasia) and secondary aldosteronism (renovascular disease, salt depletion, potassium loading, cardiac failure with ascites, pregnancy, Bartter...

ALDS - Overview: Aldosterone, Serum

Investigating primary aldosteronism (eg, adrenal adenoma/carcinoma and adrenal cortical hyperplasia) and secondary aldosteronism (renovascular disease, salt depletion, potassium loading, cardiac failure with ascites, pregnancy, Bartter...