LPLFX - Overview: Lymphoplasmacytic Lymphoma/Waldenstrom Macroglobulinemia, MYD88 L265P with Reflex to CXCR4, Varies

Establishing a diagnosis of lymphoplasmacytic lymphoma/Waldenstrom macroglobulinemia (LPL/WM) Helping distinguish LPL/WM low-grade B-cell lymphoma from other subtypes Aiding in the prognosis and clinical management of lymphoplasmacytic...

CEA - Overview: Carcinoembryonic Antigen (CEA), Serum

Monitoring colorectal cancer and selected other cancers such as medullary thyroid carcinoma May be useful in assessing the effectiveness of chemotherapy or radiation treatment This test is not useful for screening the general population...

POWV - Overview: Powassan Virus, IgM, Enzyme-Linked Immunosorbent Assay, Serum

Diagnosis of Powassan virus infection. This test should not be used as a screening procedure for the general population. This test should not be used as a "test of cure."

QNKS - Overview: Natural Killer (NK)/Natural Killer T-Cell Subsets, Quantitative, Blood

Quantitation of the major natural killer (NK)-cell subsets relative to total NK cells (NK cell subsets) or total lymphocytes (NK T cells) Assessment in the following clinical contexts: HIV, primary immune deficiencies with NK cell...

VALPF - Overview: Valproic Acid, Free, Serum

Monitoring free valproic acid in therapy Assessing compliance Evaluating potential toxicity

STFR - Overview: Soluble Transferrin Receptor (sTfR), Serum

Evaluation of suspected iron deficiency in patients who may have inflammation, infection, or chronic disease and other conditions in which ferritin concentration does not correlate with iron status, including: -Cystic fibrosis patients who...

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...

BRAFB - Overview: Cell-Free DNA BRAF V600, Blood

An alternative to invasive tissue biopsies for the determination of BRAF V600E and V600K alterations Identification of patients with cancer who are most likely to benefit from targeted therapies This test is not intended for serial...