RB24 - Overview: Retinol-Binding Protein, 24 Hour, Urine
Assessing renal tubular injury or dysfunction Screening for other tubular abnormalities Detecting chronic asymptomatic renal tubular dysfunction.(2)
PCAG - Overview: Protein C Antigen, Plasma
Differentiating congenital type I protein C deficiency from type II deficiency Evaluating the significance of decreased functional protein C, especially when decreased protein C activity might be congenital rather than acquired (eg, due...
GDF15 - Overview: Growth Differentiation Factor 15, Plasma
A circulating biomarker in myopathy-related mitochondrial disease as well as other conditions Investigation of patients suspected of having a mitochondrial myopathy This assay is not suitable for carrier detection.
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...
HVAR - Overview: Homovanillic Acid, Random, Urine
Screening children for catecholamine-secreting tumors using a random urine collection when requesting homovanillic acid only Monitoring neuroblastoma treatment Screening patients with possible inborn errors of catecholamine metabolism
VMAR - Overview: Vanillylmandelic Acid, Random, Urine
Screening children for catecholamine-secreting tumors using a random urine collection when requesting vanillylmandelic acid only Supporting a diagnosis of neuroblastoma Monitoring patients with a treated neuroblastoma
TIU24 - Overview: Titanium, 24 Hour, Urine
Monitoring exposure and elimination of titanium in a 24-hour urine specimen
CHF8P - Overview: Chromogenic Factor VIII Inhibitor Bethesda Profile, Plasma
Detecting the presence and titer of a specific factor inhibitor directed against coagulation factor VIII for patients on emicizumab (Hemlibra) Detecting the presence and titer of an inhibitor directed against factor VIII This test is not...
ALB24 - Overview: Albumin, 24 Hour, Urine
Evaluating diabetic patients to assess the potential for early onset of nephropathy
HLLFH - Overview: Hematologic Disorders, Leukemia/Lymphoma; Flow Hold, 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...
PCHE1 - Overview: Pseudocholinesterase, Total, Serum
Monitoring exposure to organophosphorus insecticides and herbicides Monitoring patients with liver disease, particularly those undergoing liver transplantation Identifying patients who are homozygous or heterozygous for an atypical gene...
PTHRP - Overview: Parathyroid Hormone-Related Peptide, Plasma
Aiding in the evaluation of individuals with hypercalcemia of unknown origin Aiding in the evaluation of individuals with suspected humoral hypercalcemia of malignancy The test should not be used to exclude cancer or screen individuals...
HG34W - Overview: Histone 3.3 G34W (H3F3A G34W) Immunostain, Technical Component Only
Aiding in the diagnosis of giant cell tumor of bone
GDU - Overview: Gadolinium, 24 Hour, Urine
Assessing chronic exposure and monitoring effectiveness of dialysis in a 24-hour urine collection
CHLBF - Overview: Cholesterol, Body Fluid
Aiding in the diagnosis of a cholesterol effusion or cholesterol-rich pseudochylous effusion in body fluids Distinguishing between chylous and pseudochylous pleural effusions Distinguishing between malignant and nonmalignant ascites
OXU - Overview: Oxalate, 24 Hour, Urine
Monitoring therapy for kidney stones using 24-hour urine collections Identifying increased urinary oxalate as a risk factor for stone formation Diagnosis of primary or secondary hyperoxaluria
DIMER - Overview: D-Dimer, Plasma
Diagnosis of intravascular coagulation and fibrinolysis, also known as disseminated intravascular coagulation, especially when combined with clinical information and other laboratory test data (eg, platelet count, assays of clottable...
LEGRP - Overview: Legionella species, Molecular Detection, PCR, Varies
Sensitive and rapid diagnosis of pneumonia caused by Legionella species The assay is not recommended as a test of cure because bacteria nucleic acids may persist after successful treatment.
SPASU - Overview: Arsenic Speciation, 24 Hour, Urine
Diagnosing arsenic intoxication using 24-hour urine specimens
CXCFX - Overview: MYD88 Reflex to CXCR4 Mutation Detection, Varies
The prognosis and clinical management of lymphoplasmacytic lymphoma/Waldenstrom macroglobulinemia
CVRNA - Overview: Candida Vaginitis, Nucleic Acid Amplification RNA, Vaginal
Aiding in the diagnosis of Candida vaginitis This test is not intended for use in medico-legal applications.
DRPL - Overview: Dentatorubral-Pallidoluysian Atrophy (DRPLA) Gene Analysis, Varies
Confirming the diagnosis of dentatorubral-pallidoluysian atrophy (DRPLA) for symptomatic patients Predictive testing for individuals with a family history of DRPLA and a documented expansion in the ATN1 gene in an affected family member
TGABI - Overview: Thyroglobulin Antibody, Serum
Initial testing as a part of evaluating suspected interference from heterophile antibodies causing a falsely elevated thyroglobulin result
FBL - Overview: Fungal Culture, Blood
Diagnosis and treatment of the etiologic agents of fungemia
ALUCR - Overview: Aluminum/Creatinine Ratio, Random, Urine
Monitoring aluminum exposure when a 24-hour urine cannot be collected Monitoring metallic prosthetic implant wear when a 24-hour urine cannot be collected This test is not an acceptable substitute for serum aluminum measurements and is...
BARRP - Overview: Bartonella, Molecular Detection, PCR, Varies
Aiding in the diagnosis of Bartonella infection
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."
FUNID - Overview: Culture Referred for Identification, Fungus
Identification of pure isolates of filamentous fungi and yeast
Detection and confirmation of drug use of cannabis/marijuana and to specifically identify and quantify delta-8 carboxy tetrahydrocannabinol (THC-COOH) and delta-9-THC-COOH Chain of custody is required whenever the results of testing could...
NIUCR - Overview: Nickel/Creatinine Ratio, Random, Urine
Preferred specimen type for biomonitoring nickel exposure
RPRT1 - Overview: Rapid Plasma Reagin (RPR) Screen with Reflex to Titer, Serum
Determining the current disease status Monitoring response to therapy for syphilis Aid to diagnose congenital syphilis This test cannot be used for testing spinal fluid specimens. This test is not intended for medical-legal use.
WHIPB - Overview: Tropheryma whipplei, Molecular Detection, PCR, Blood
Aiding in the diagnosis of Whipple disease, especially for identifying inconclusive or suspicious cases, using whole blood specimens
DCP - Overview: Des-Gamma-Carboxy Prothrombin, Serum
Risk assessment of patients with chronic liver disease for development of hepatocellular carcinoma (HCC) Aiding in the monitoring of HCC patients post therapy if the des-gamma-carboxy prothrombin level was elevated prior to therapy
COU - Overview: Cobalt, 24 Hour, Urine
Detecting cobalt exposure Monitoring metallic prosthetic implant wear This test is not useful to assess vitamin B12 activity.
FERR1 - Overview: Ferritin, Serum
Aiding in the diagnosis of iron deficiency and iron overload conditions Differentiating iron deficiency anemia and anemia of chronic disease
PNRCH - Overview: Drug Immunoassay Panel, Urine
Detecting drug use involving barbiturates, cocaine, and carboxy-tetrahydrocannabinol This test is not intended for use in employment-related testing.
ESTS - Overview: Estradiol, Rapid, Immunoassay, Serum
Rapid assessment of ovarian status, including follicle development, for assisted reproduction protocols (eg, in vitro fertilization) Establishing time of ovulation and optimal time for conception
NIU - Overview: Nickel, 24 Hour, Urine
Preferred test for biomonitoring patients for nickel exposure to minimize any potential diurnal variation
ERPR - Overview: Estrogen/Progesterone Receptor, Semi-Quantitative Immunohistochemistry, Manual
Guiding decisions on hormonal therapy in patients with breast carcinomas This test is not useful for cases of lobular carcinoma in situ.
FFRBS - Overview: Friedreich Ataxia, Frataxin, Quantitative, Blood Spot
Diagnosing individuals with Friedreich ataxia in blood spot specimens Monitoring frataxin levels in patients with Friedreich ataxia This test is not useful for carrier detection.
BALAF - Overview: B-Cell Acute Lymphoblastic Leukemia/Lymphoma (ALL), FISH, Adult, Varies
Detecting, at diagnosis, recurrent common chromosome abnormalities associated with B-cell acute lymphoblastic leukemia/lymphoma (B-ALL/LBL) and Philadelphia chromosome-like acute lymphoblastic leukemia (Ph-like ALL) in adult patients As...
LDBF - Overview: Lactate Dehydrogenase (LDH), Body Fluid
Identification of exudative pleural effusions Lactate dehydrogenase in pericardial fluids is not diagnostically useful.
AN2TC - Overview: Antineuronal Nuclear Antibody Type 2 (ANNA-2) Titer, Spinal Fluid
Investigating middle-aged or older patients who present with unexplainable signs of midbrain/cerebellar/brain stem disorder and/or myelopathy, especially women with a previous history of breast cancer, and both sexes if there is a history...
VH - Overview: Vanillylmandelic Acid and Homovanillic Acid, Random, Urine
Preferred first test for screening for catecholamine-secreting tumors in a random urine specimen when requesting both homovanillic acid and vanillylmandelic acid Supporting a diagnosis of neuroblastoma Monitoring patients with a treated...
HL58R - Overview: HLA-B*5801 Genotype, Allopurinol Hypersensitivity, Varies
Identifying individuals with an increased risk of severe cutaneous adverse reactions to allopurinol based on the presence of the human leukocyte antigen HLA-B*58:01 allele
10INE - Overview: Factor X Inhibitor Evaluation, Plasma
Detection and quantitation of inhibitor to coagulation factor X This test is not useful for the detection of a lupus-like circulating anticoagulant inhibitor, a nonspecific circulating anticoagulant, or other inhibitors that are not...
2INHE - Overview: Factor II Inhibitor Evaluation, Plasma
Detection and quantitation of inhibitor to factor II This test is not useful for the detection of a lupus-like circulating anticoagulant inhibitor, a nonspecific circulating anticoagulant, or other inhibitors that are not specific for...
5INHE - Overview: Factor V Inhibitor Evaluation, Plasma
Detection and quantitation of inhibitors against coagulation factor V This test is not useful for the detection of a lupus-like circulating anticoagulant inhibitor, a nonspecific circulating anticoagulant, or other inhibitors that are not...
WAGDR - Overview: Alpha Globin Cluster Locus Deletion/Duplication, Blood
Diagnosis of alpha-thalassemia Carrier screening for individuals from high-risk populations for alpha-thalassemia This test is not useful for diagnosis or confirmation of beta-thalassemia or hemoglobinopathies.
11INE - Overview: Factor XI Inhibitor Evaluation, Plasma
Detection and quantitation of inhibitor to coagulation factor XI This test is not useful for the detection of a lupus-like circulating anticoagulant inhibitor, a nonspecific circulating anticoagulant, or other inhibitors that are not...
Mayo Clinic Ranked No. 1 Hospital Nationwide by U.S. News & World Report - Insights
Report’s 29th annual "Best Hospitals Honor Roll" published online on August 14. Mayo Clinic also ranked No. 1 in more specialties than any other hospital in the country....
NELL-1 [Test in Focus] - Insights
D., discusses how Mayo Clinic Laboratories’ new immunohistochemistry test for the detection of NELL-1 antigen, a biomarker for membranous nephropathy found in 10% to 15% of patients, provides diagnostic...
Looking Back on Clinical Chemistry 1 - Insights
in the Mayo Clinic Medical Laboratory Science program, takes a look back on her Clinical Chemistry 1 course....
Orexin-A/Hypocretin-1 for the Diagnosis of Type 1 Narcolepsy [Test in Focus] - Insights
test to perform as well as to interpret. The orexin-A/hypocretin-1 test is a sensitive and specific alternative to the MSLT to diagnose type 1 narcolepsy....
Week in Review: November 1 - Insights
Top highlights include: Facebook launches into the digital space of healthcare, medical breakthrough for Ebola, and how the brain makes memories.