TFNAB - Overview: Thyroglobulin, Tumor Marker, Fine-Needle Aspiration Biopsy Needle Wash

Confirming or excluding metastases in enlarged or ultrasonographically suspicious lymph nodes from athyrotic individuals treated for differentiated thyroid cancer in conjunction with cytologic analysis Confirming or excluding the presence...

CIFA - Overview: Cutaneous Immunofluorescence Antibodies, IgA, Serum

Confirming the presence of IgA antibodies to diagnose pemphigoid, pemphigus, epidermolysis bullosa acquisita, or bullous lupus erythematosus

HSCRP - Overview: C-Reactive Protein, High Sensitivity, Serum

Assessment of risk of developing myocardial infarction in patients presenting with acute coronary syndromes Assessment of risk of developing cardiovascular disease or ischemic events in individuals who do not manifest disease at present

A1ALC - Overview: Alpha-1-Antitrypsin Proteotype S/Z, LC-MS/MS, Serum

Identification of homozygous and heterozygous S and Z proteotypes of alpha-1-antitrypsin deficiency

VASC - Overview: Antineutrophil Cytoplasmic Antibodies Vasculitis Panel, Serum

Evaluating patients with clinical features of anti-neutrophil cytoplasmic antibody-associated vasculitis, specifically granulomatosis with polyangiitis, microscopic polyangiitis, and eosinophilic granulomatosis with polyangiitis

ECMP - Overview: Eculizumab Monitoring Panel, Serum

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

ABTIR - Overview: Antibody Titer, Blood and Serum

Monitoring antibody levels during pregnancy to help assess the risk of hemolytic disease of the newborn This test is not useful for monitoring the efficacy of Rh-immune globulin administration.

AAT - Overview: Alpha-1-Antitrypsin, Serum

Workup of individuals with suspected disorders such as familial chronic obstructive lung disease Diagnosing alpha-1-antitrypsin deficiency

PHOS - Overview: Phosphorus (Inorganic), Serum

Diagnosis and management of a variety of disorders including bone, parathyroid, and kidney disease

PRMB - Overview: Primidone and Phenobarbital, Serum

Assessing compliance Monitoring for appropriate therapeutic levels of primidone and phenobarbital Assessing toxicity

CHIKG - Overview: Chikungunya IgG, Antibody, Serum

Aiding in the diagnosis of recent infection with Chikungunya virus detecting IgG antibodies in patients with recent travel to endemic areas and a compatible clinical syndrome

CHIKM - Overview: Chikungunya IgM, Antibody, Serum

Aiding in the diagnosis of recent infection with Chikungunya virus detecting IgM antibodies in patients with recent travel to endemic areas and a compatible clinical syndrome

T3FR - Overview: T3 (Triiodothyronine), Free, Serum

A second- or third-level test of thyroid function Confirmation of hyperthyroidism, supplementing the T4 (tetraiodothyronine), sensitive thyrotropin, and total T3 assays Evaluating clinically euthyroid patients who have an altered...

VITA - Overview: Vitamin A, Serum

Diagnosing vitamin A deficiency and toxicity Monitoring vitamin A therapy

C4 - Overview: Complement C4, Serum

Investigating an undetectable total complement Confirming hereditary angioedema (with low C1 inhibitor) Assessing disease activity in systemic lupus erythematosus, proliferative glomerulonephritis, rheumatoid arthritis, and autoimmune...

IGGS4 - Overview: IgG4, Immunoglobulin Subclasses, Serum

Supporting the diagnosis of IgG4-related disease

AHUSD - Overview: Atypical Hemolytic Uremic Syndrome Complement Panel, Serum and Plasma

Detecting deficiencies in the alternative pathway that can cause atypical-hemolytic uremic syndrome, dense deposit disease, and C3 glomerulonephritis A second-tier test that aids in the differential diagnosis of thrombotic...

TOXGP - Overview: Toxoplasma gondii Antibody, IgG, Serum

Determining whether a patient has had previous exposure to or recent infection with Toxoplasma gondii This test is not useful for diagnosing infection in infants younger than 6 months of age. In that age group, IgG antibodies usually are...

DHVD - Overview: 1,25-Dihydroxyvitamin D, Serum

As a second-order test in the assessment of vitamin D status, especially in patients with renal disease Investigation of some patients with clinical evidence of vitamin D deficiency (eg, vitamin D-dependent rickets due to hereditary...

APOA1 - Overview: Apolipoprotein A1, Serum

Evaluating risk for atherosclerotic cardiovascular disease Aiding in the detection of Tangier disease

ABADL - Overview: Adalimumab Antibody, Serum

Therapeutic drug monitoring of adalimumab antibody levels

QNADL - Overview: Adalimumab Quantitative, Serum

Therapeutic drug monitoring of adalimumab concentration

APOLB - Overview: Apolipoprotein 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...

IL6DX - Overview: Interleukin-6, Serum

Evaluating patients with suspected chronic inflammatory disorders, such as rheumatoid arthritis, systemic lupus erythematosus, ankylosing spondylitis, or inflammatory bowel disease Evaluating patients with Castleman disease Evaluating...

IGAS - Overview: IgA Subclasses, Serum

Investigation of immune deficiency due to IgA2 deficiency Evaluating patients with anaphylactic transfusion reactions

C3 - Overview: Complement C3, Serum

Assessing disease activity in systemic lupus erythematosus Investigating an undetectable total complement level

C1Q - Overview: Complement C1q, Serum

Assessment of an undetectable total complement level Diagnosing congenital C1 (first component of complement) deficiency Diagnosing acquired deficiency of C1 inhibitor

CDP - Overview: Chlordiazepoxide and Metabolite, Serum

Monitoring chlordiazepoxide therapy Assessing toxicity

GAL3 - Overview: Galectin-3, Serum

Aiding in the prognosis for patients diagnosed with heart failure Risk stratification of patients with heart failure An early indication of treatment failure and as a therapeutic target

LAGGT - Overview: Granulocyte Antibodies, Serum

Work-up of individuals having febrile, nonhemolytic transfusion reactions Detection of individuals with autoimmune neutropenia This test is not useful for the diagnosis of neutropenia caused by marrow suppression by drugs or tumors.

GENTA - Overview: Gentamicin, Trough, Serum

Monitoring adequacy of drug clearance during gentamicin therapy

GENPA - Overview: Gentamicin, Peak, Serum

Monitoring adequacy of drug clearance during gentamicin therapy

GAL1 - Overview: GALAD Score, Serum

Calculation of the GALAD (gender, age, alpha-fetoprotein L3% [AFP-L3], AFP, des-gamma-carboxy prothrombin) model score for hepatocellular carcinoma development in patients with chronic liver disease

MDNS - Overview: Methadone and Metabolites, Serum

Compliance monitoring of methadone Assessment of methadone toxicity

PNYA - Overview: Phenytoin, Total, Serum

Monitoring for appropriate therapeutic concentration Assessing compliance or toxicity

PNYF - Overview: Phenytoin, Free, Serum

Monitoring for appropriate therapeutic concentration of free phenytoin: free phenytoin level is the best indicator of adequate therapy in renal failure Assessing compliance and toxicity

RHUT - Overview: Rheumatoid Factor, Serum

Diagnosis and prognosis of rheumatoid arthritis

FRDIG - Overview: Digoxin, Free, Serum

Evaluating recrudescent (breakthrough) digoxin toxicity in renal-failure patients Assessing the need for more antidigoxin Fab to be administered Deciding when to reintroduce digoxin therapy Monitoring patients with possible...

CORTF - Overview: Cortisol, Free, Serum

Assessment of cortisol status in cases where there is known or a suspected abnormality in cortisol-binding proteins or albumin Assessment of adrenal function in the critically ill or stressed patient, thus preventing unnecessary use of...

CA - Overview: Calcium, Total, Serum

Diagnosis and monitoring of a wide range of disorders including diseases of bone, kidney, parathyroid gland, or gastrointestinal tract

ELPSR - Overview: Electrolyte Panel, Serum

Identifying a suspected imbalance in electrolytes or acid/base imbalance

TRIGC - Overview: Triglycerides, CDC, Serum

Measurement of triglycerides as part of lipoprotein profiling

TPO - Overview: Thyroperoxidase Antibodies, Serum

Aiding in the diagnosis of thyroid autoimmune disorders Differentiating thyroid autoimmune disorders from nonautoimmune goiter or hypothyroidism As a diagnostic tool in deciding whether to treat a patient who has subclinical...

TGAB - Overview: Thyroglobulin Antibody, Serum

As an adjunct in the diagnosis of autoimmune thyroid diseases: Hashimoto disease, postpartum thyroiditis, neonatal hypothyroidism, and Graves disease

PTH2 - Overview: Parathyroid Hormone, Serum

Diagnosis and differential diagnosis of hypercalcemia Diagnosis of primary, secondary, and tertiary hyperparathyroidism Diagnosis of hypoparathyroidism Monitoring kidney failure patients for possible renal osteodystrophy

ETGL - Overview: Ethylene Glycol, Serum

Confirming and monitoring ethylene glycol toxicity

MUGS - Overview: Hexosaminidase A, Serum

Second-order test for diagnosing the B1 variant of Tay-Sachs disease This test is not useful for testing for Sandhoff disease.

VITE - Overview: Vitamin E, Serum

Monitoring of Vitamin E supplementation/treatment Potentially detecting Vitamin E overdoses

IGGS - Overview: IgG Subclasses, Serum

Second-order testing for evaluation of patients with clinical signs and symptoms of humoral immunodeficiency or combined immunodeficiency (cellular and humoral)

HGBCE - Overview: Hemoglobin Variant, A2 and F Quantitation, Blood

Monitoring patients with sickling disorders who have received hydroxyurea or transfusion therapy This test is not intended for diagnostic purposes. This test is not useful for screening purposes.