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...
2425D - Overview: 25-Hydroxyvitamin D:24,25-Dihydroxyvitamin D Ratio, Serum
As a screening test for inactivating CYP24A1 variants in patients with symptoms, signs, or biochemical findings of parathyroid hormone-independent hypercalcemia or hypercalciuria
CORTO - Overview: Cortisol, Free and Total, 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...
DMS2 - Overview: Dementia, Autoimmune/Paraneoplastic Evaluation, Serum
Investigating new onset dementia and cognitive impairment plus 1 or more of the following using serum specimens: -Rapid onset and progression -Fluctuating course -Psychiatric accompaniments (psychosis, hallucinations) -Movement disorder...
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
BAFS - Overview: Bile Acids, Fractionated and Total, Serum
Measuring tauro- and glycol-conjugated and unconjugated bile acid constituents in serum specimens Monitoring patients receiving bile acid therapy, such as cholic acid, deoxycholic acid, or ursodeoxycholic acid Aiding in the evaluation of...
HCVL - Overview: Hepatitis C Virus Antibody Confirmation, Serum
Confirming the presence of hepatitis C virus (HCV)-specific IgG antibodies in serum specimens that are reactive by HCV antibody screening tests Distinguishing between true- and false-reactive HCV antibody screening test results This test...
Screening cadaveric or hemolyzed serum specimens for hepatitis C virus (HCV) infection in asymptomatic individuals with or without risk factors for HCV infection Note: In accordance with National Coverage Determination guidance, this test...
CHCK - Overview: Chicken Feathers, IgE, Serum
Establishing a diagnosis of an allergy to chicken feathers Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm...
HCYSS - Overview: Homocysteine, Total, Serum
An aid for screening patients suspected of having an inherited disorder of methionine metabolism including: -Cystathionine beta-synthase deficiency (homocystinuria) -Methylenetetrahydrofolate reductase deficiency and its thermolabile...
EPS2 - Overview: Epilepsy, Autoimmune/Paraneoplastic Evaluation, Serum
Investigating new onset cryptogenic epilepsy with incomplete seizure control and duration of less than 2 years, using serum specimens Investigating new onset cryptogenic epilepsy plus 1 or more of the following accompaniments: -Psychiatric...
ENS2 - Overview: Encephalopathy, Autoimmune/Paraneoplastic Evaluation, Serum
Evaluating, using serum specimens, new onset encephalopathy (noninfectious or metabolic) comprising confusional states, psychosis, delirium, memory loss, hallucinations, movement disorders, sensory or motor complaints, seizures, dyssomnias,...
ESTF - Overview: Estrogens, Estrone (E1) and Estradiol (E2), Fractionated, Serum
Simultaneous high-sensitivity determination of serum estrone and estradiol levels Situations requiring either higher sensitivity estradiol measurement, estrone measurement, or both, including -As part of the diagnosis and workup of...
EFPO - Overview: Electrolyte and Osmolality Panel, Feces
Workup of cases of chronic diarrhea Diagnosis of factitious diarrhea (where patient adds water to stool to simulate diarrhea)
CTU - Overview: Creatinine, 24 Hour, Urine
Calculation of creatinine clearance, a measure of renal function, when used in conjunction with serum creatinine
ZNUCR - Overview: Zinc/Creatinine Ratio, Random, Urine
Identifying the cause of abnormal serum zinc concentrations using a random urine specimen
ZNU - Overview: Zinc, 24 Hour, Urine
Identifying the cause of abnormal serum zinc concentrations using 24-hour urine specimens
CASF - Overview: IgG/Albumin Ratio, Spinal Fluid
Assessment of cerebrospinal fluid (CSF) IgG/albumin ratio in the absence of a paired CSF and serum specimen
THEV0 - Overview: Thalassemia Summary Interpretation, Blood
Incorporating and summarizing subsequent molecular results into an overall interpretation for the THEV1 / Thalassemia and Hemoglobinopathy Evaluation, Blood and Serum
LGBWB - Overview: Globotriaosylsphingosine, Blood
Screening of patients with Fabry disease when a serum specimen is not available This test should not be used for newborn screening followup.
ZNCU - Overview: Zinc/Creatinine Ratio, Urine
Measurement of zinc concentration as a part of identifying the cause of abnormal serum zinc concentrations using a random urine specimen
TPBF - Overview: Protein, Total, Body Fluid
Identification of exudative pleural effusions Differentiating hepatic from other causes of ascites that have elevated serum ascites albumin gradient using peritoneal fluid
A1AF - Overview: Alpha-1-Antitrypsin, Random, Feces
Diagnosing protein-losing enteropathies, especially when used in conjunction with serum alpha-1-antitrypsin (AAT) levels as a part of AAT clearance studies
Heavy and light chain pair quantitation may be useful for: 1. Distinguishing between broadly migrating monoclonal proteins and restricted polyclonal immunoglobulin patterns on serum electrophoresis. 2. Quantitating monoclonal IgG proteins...
For the quantitative measurement of human IgA heavy chain and light chain intact immunoglobulin in serum. The result can be used when monitoring previously diagnosed IgA multiple myeloma patients and is used in conjunction with other...
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
LGBBS - Overview: Globotriaosylsphingosine, Blood Spot
Screening of patients with Fabry disease using dried blood spots when a serum specimen is not available This test should not be used for newborn screening followup.
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
VZIKU - Overview: Zika Virus, PCR, Molecular Detection, Random, Urine
Qualitative detection of Zika virus RNA in paired urine and serum from individuals meeting the Centers of Disease Control and Prevention Zika virus clinical or epidemiologic criteria
RCTUR - Overview: Creatinine, Random, Urine
Calculation of creatinine clearance, a measure of renal function, when used in conjunction with serum creatinine Normalization of urinary analytes by creatinine concentration to account for the variation in urinary concentrations between...
MAGRU - Overview: Magnesium/Creatinine Ratio, Random, Urine
Assessing the cause of abnormal serum magnesium concentrations Determining whether nutritional magnesium loads are adequate Calculating urinary calcium oxalate and calcium phosphate supersaturation and assessing kidney stone risk.
AMIO - Overview: Amiodarone, Serum
Monitoring amiodarone therapy, especially when amiodarone is coadministered with other drugs that may interact Evaluating possible amiodarone toxicity Assessing patient compliance
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,...
AL - Overview: Aluminum, Serum
Preferred monitoring for aluminum toxicity in patients undergoing dialysis Preferred test for routine aluminum screening Monitoring metallic prosthetic implant wear
ALB - Overview: Albumin, Serum
Assessing nutritional status
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...
ALS - Overview: Aldolase, Serum
Detection of muscle disease
BUTAS - Overview: Butalbital, Serum
Monitoring butalbital therapy
BIOTS - Overview: Biotinidase, Serum
Preferred test for the diagnosis of biotinidase deficiency Follow-up testing for certain organic acidurias
HCO3 - Overview: Bicarbonate, Serum
Diagnosis and treatment of acid-base imbalance in respiratory and metabolic systems
BILI3 - Overview: Bilirubin, Serum
Assessing liver function Evaluating a wide range of diseases affecting the production, uptake, storage, metabolism, or excretion of bilirubin Monitoring the efficacy of neonatal phototherapy
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...
Detecting cobalt toxicity Monitoring metallic prosthetic implant wear This test is not useful for assessment of vitamin B12 activity.
CL - Overview: Chloride, Serum
Evaluation of water, electrolyte, and acid-base status
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.
CERS - Overview: Ceruloplasmin, Serum
Investigation of patients with possible Wilson disease
CRS - Overview: Chromium, Serum
Screening for occupational exposure Monitoring metallic prosthetic implant wear
CAFF - Overview: Caffeine, Serum
Monitoring caffeine therapy in neonates Assessing caffeine toxicity in neonates
CORTC - Overview: Corticosterone, Serum
Diagnosis of suspected 11-hydroxylase deficiency, including the differential diagnosis of 11-beta-hydroxylase 1 (CYP11B1) versus 11-beta-hydroxylase 2 (CYP11B2) deficiency, and the diagnosis of glucocorticoid-responsive hyperaldosteronism...
CRY_S - Overview: Cryoglobulin, Serum
Evaluating cryoglobulins in patients with vasculitis, glomerulonephritis, and lymphoproliferative diseases Evaluating cryoglobulins in patients with macroglobulinemia or myeloma in whom symptoms occur with cold exposure This test is not...
sequential-maternal-serum-screening-testing-algorithm.pdf
Foundation for Medical Education and Research (MFMER). All rights reserved. Sequential Maternal Serum Screening Testing Algorithm Diagnostic testing should be offered Screen-positive: results reported...
MCL Platelet Antibody Screen Serum Information MC1235242
MCL Platelet Antibody Screen Serum Information Complete print Platelet Antibody Screen Serum Patient Information Reset Form Patient Information Patient Middle Birth Date...
Mayo Clinic Laboratory and Pathology Research Roundup: Nov. 26 - Insights
This week’s Research Roundup highlights the effect of inorganic nitrite versus a placebo on exercise capacity among patients with heart failure with preserved ejection fraction....
Gravis/Lambert-Eaton Myasthenic Syndrome Evaluation, Serum
Confirming the autoimmune basis of a defect in neuromuscular transmission (eg, myasthenia gravis [MG], Lambert-Eaton myasthenic syndrome [LEMS]) Distinguishing LEMS from autoimmune forms of MG Providing a quantitative autoantibody...
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...