STBY - Overview: Strawberry, IgE, Serum

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

LAMO - Overview: Lamotrigine, Serum

Monitoring serum concentration of lamotrigine Assessing compliance Adjusting lamotrigine dose in patients receiving other anticonvulsant drugs that interact pharmacokinetically with lamotrigine

GLSF - Overview: Glucose, Spinal Fluid

Investigating possible central nervous system infection

ALB - Overview: Albumin, Serum

Assessing nutritional status

ACE - Overview: Angiotensin Converting Enzyme, Serum

Evaluation of patients with suspected sarcoidosis

CAI - Overview: Calcium, Ionized, Serum

Assessing calcium states during liver transplantation surgery, cardiopulmonary bypass, or any procedure requiring rapid transfusion of whole blood in neonates and critically ill patients Second-order test in the evaluation of patients with...

TBGI - Overview: Thyroxine-Binding Globulin (TBG), Serum

Cases in which total thyroid hormone levels do not correlate with the thyrometabolic status, most commonly with pregnancy or the use of contraceptive steroids

CTU - Overview: Creatinine, 24 Hour, Urine

Calculation of creatinine clearance, a measure of renal function, when used in conjunction with serum creatinine

CRT24 - Overview: Creatinine, 24 Hour, Urine

Urinary creatinine, in conjunction with serum creatinine, is used to calculate the creatinine clearance, a measure of renal function Normalizing urinary analytes to account for the variation in urinary concentration

UE3 - Overview: Estriol, Unconjugated, Serum

As an adjunct biomarker in the prenatal diagnosis of disorders of fetal steroid metabolism, including Smith-Lemli-Opitz syndrome (1,2) and X-linked ichthyosis (placental sulfatase deficiency disorders) Evaluating primary or secondary fetal...

FRT4 - Overview: T4 (Thyroxine), Free, Serum

Evaluating suspected thyroid function disorders using free thyroxine measured together with thyroid-stimulating hormone

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...

INS - Overview: Insulin, Serum

Diagnosing insulinoma, when used in conjunction with proinsulin and C-peptide measurements Management of diabetes mellitus

TRIG1 - Overview: Triglycerides, Serum

Managing atherosclerotic cardiovascular disease risk

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...

PALD - Overview: Aldosterone, Plasma

Investigation of 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...

ACTH - Overview: Adrenocorticotropic Hormone, Plasma

Determining the cause of hypercortisolism and hypocortisolism

PRL - Overview: Prolactin, Serum

Aiding in evaluation of pituitary tumors, amenorrhea, galactorrhea, infertility, and hypogonadism Monitoring therapy of prolactin-producing tumors

PGSN - Overview: Progesterone, Serum

Ascertaining whether ovulation occurred in a menstrual cycle Assessment of infertility Evaluation of abnormal uterine bleeding Evaluation of placental health in high-risk pregnancy Determining the effectiveness of progesterone...

A124 - Overview: Alpha-1-Microglobulin, 24 Hour, Urine

Assessment of renal tubular injury or dysfunction using 24-hour urine collections Screening for tubular abnormalities Detecting chronic asymptomatic renal tubular dysfunction(2)

CATN - Overview: Calcitonin, Serum

Aids in the diagnosis and follow-up of medullary thyroid carcinoma Aids in the evaluation of multiple endocrine neoplasia type II and familial medullary thyroid carcinoma This test is not useful for evaluating calcium metabolic...

CORTU - Overview: Cortisol, Free, 24 Hour, Urine

Preferred screening test for Cushing syndrome Diagnosis of pseudo-hyperaldosteronism due to excessive licorice consumption Test may not be useful in the evaluation of adrenal insufficiency.

T3 - Overview: T3 (Triiodothyronine), Total, Serum

Second-order testing for hyperthyroidism in patients with low thyroid-stimulating hormone values and normal thyroxine levels Diagnosing triiodothyronine (T3) toxicosis This test is not useful for general screening of the population...

T4BPE - Overview: Thyroxine-Binding Protein Electrophoresis, Serum

Explaining unusual thyroxine (T4), free T4, and thyroxine-binding globulin test results that do not correlate with the patient's clinical presentation Detecting the presence of aberrant thyroxine-binding proteins, such as abnormal forms...

GLP - Overview: Glucagon, Plasma

Diagnosis and follow-up of glucagonomas and other glucagon-producing tumors Assessing diabetic patients with problematic hyper- or hypoglycemic episodes (extremely limited utility)

COCOU - Overview: Cortisol/Cortisone, Free, 24 Hour, Urine

Screening test for Cushing syndrome (hypercortisolism) Assisting in diagnosing acquired or inherited abnormalities of 11-beta-hydroxy steroid dehydrogenase (cortisol to cortisone ratio) Diagnosis of pseudo-hyperaldosteronism due to...

FRTUP - Overview: Free Thyroxine Index (FTI), Serum

Estimating the amount of circulating free thyroxine (free thyroxine index) using the total thyroxine and thyroid binding capacity (T-uptake)

T4 - Overview: T4 (Thyroxine), Total Only, Serum

Monitoring treatment with synthetic hormones (synthetic T3 [triiodothyronine] will cause a low total T4 [thyroxine]) Monitoring treatment of hyperthyroidism with thiouracil and other anti-thyroid drugs Index of thyroid function when the...

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...

DCORT - Overview: 11-Deoxycortisol, Serum

Diagnostic workup of patients with congenital adrenal hyperplasia Part of metyrapone testing in the workup of suspected secondary or tertiary adrenal insufficiency Part of metyrapone testing in the differential diagnostic workup of...

HGH - Overview: Growth Hormone, Serum

Diagnosis of acromegaly and assessment of treatment efficacy when interpreted in conjunction with results from glucose suppression test Diagnosis of human growth hormone deficiency when interpreted in conjunction with results from growth...

AL - Overview: Aluminum, Serum

Preferred monitoring for aluminum toxicity in patients undergoing dialysis Preferred test for routine aluminum screening Monitoring metallic prosthetic implant wear

DHEA_ - Overview: Dehydroepiandrosterone (DHEA), Serum

Diagnosing and differential diagnosis of hyperandrogenism (in conjunction with measurements of other sex steroids) As an initial screen in adults with bioavailable testosterone measurement that may be supplemented with measurements of sex...

STSH - Overview: Thyroid-Stimulating Hormone-Sensitive (s-TSH), Serum

Screening for thyroid dysfunction and detecting mild (subclinical), as well as overt, primary hypo- or hyperthyroidism in ambulatory patients Monitoring patients on thyroid replacement therapy Confirmation of thyrotropin (TSH, formerly...

3MT - Overview: 3-Methoxytyramine, 24 Hour, Urine

A first- and second-tier screening test for the presumptive diagnosis of catecholamine-secreting pheochromocytomas and paragangliomas Testing in conjunction or as an alternative to plasma metanephrines (PMET / Metanephrines, Fractionated,...

CORT - Overview: Cortisol, Serum

Discrimination between primary and secondary adrenal insufficiency Differential diagnosis of Cushing syndrome This test is not recommended for evaluating response to metyrapone.

METAF - Overview: Metanephrines, Fractionated, 24 Hour, Urine

A first- and second-order screening test for the presumptive diagnosis of catecholamine-secreting pheochromocytomas and paragangliomas Confirming positive plasma metanephrine results

SERWB - Overview: Serotonin, Blood

In conjunction with, or as an alternative to, first-order tests in the differential diagnosis of isolated symptoms suggestive of carcinoid syndrome, in particular flushing (5-hydroxyindoleacetic acid or serum chromogranin A measurements are...

HIAA - Overview: 5-Hydroxyindoleacetic Acid, 24 Hour, Urine

Biochemical diagnosis and monitoring of intestinal carcinoid syndrome using 24-hour urine specimens

25HDN - Overview: 25-Hydroxyvitamin D2 and D3, Serum

Diagnosis of vitamin D deficiency Differential diagnosis of causes of rickets and osteomalacia Monitoring vitamin D replacement therapy Diagnosis of hypervitaminosis D

CATP - Overview: Catecholamine Fractionation, Free, Plasma

Diagnosing pheochromocytoma and paraganglioma, as an auxiliary test to fractionated plasma and urine metanephrine measurements Diagnosis follow-up of patients with neuroblastoma and related tumors, as an auxiliary test to urine...

META3 - Overview: Metanephrines with 3-Methoxytyramine, 24 Hour, Urine

A first- and second-tier screening test for the presumptive diagnosis of catecholamine-secreting pheochromocytomas and paragangliomas

GAST - Overview: Gastrin, Serum

Investigation of patients with achlorhydria or pernicious anemia Investigation of patients suspected of having Zollinger-Ellison syndrome Diagnosis of gastrinoma

CATU - Overview: Catecholamine Fractionation, Free, 24 Hour, Urine

An auxiliary test to fractionated plasma and urine metanephrine measurements in the diagnosis of pheochromocytoma and paraganglioma An auxiliary test to urine vanillylmandelic acid and homovanillic acid determination in the diagnosis and...

E1 - Overview: Estrone, Serum

As part of the diagnosis and workup of precocious and delayed puberty in females and, to a lesser degree, males As part of the diagnosis and workup of suspected disorders of sex steroid metabolism (eg, aromatase deficiency and 17...

PERAM - Overview: Perampanel, Serum

Monitoring serum concentration of perampanel, in specific clinical conditions (ie, severe kidney impairment, mild to moderate hepatic impairment, and end-stage kidney disease) Assessing compliance Assessing potential toxicity

SVISC - Overview: Viscosity, Serum

Detection of increased viscosity Monitoring patients with hyperviscosity syndrome This test is not useful for patients with small concentrations of monoclonal proteins.

EOIBD - Overview: Early Onset Monogenic Inflammatory Bowel Disease (IBD) Gene Panel, Varies

Providing a comprehensive genetic evaluation for patients with a personal or family history suggestive of an inherited inflammatory bowel disorder Establishing a diagnosis of a monogenic early onset inflammatory bowel disease, allowing...

ANST - Overview: Androstenedione, Serum

Diagnosis and differential diagnosis of hyperandrogenism, in conjunction with measurements of other sex steroids Diagnosis of congenital adrenal hyperplasia (CAH), in conjunction with measurement of other androgenic precursors,...