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...
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
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
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
NIU - Overview: Nickel, 24 Hour, Urine
Preferred test for biomonitoring patients for nickel exposure to minimize any potential diurnal variation
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.
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...
Providing a genetic evaluation for patients with a personal or family history suggestive of hereditary hemorrhagic telangiectasia (HHT), cerebral cavernous malformation (CCM), capillary malformation-arteriovenous malformation syndrome...
BA48F - Overview: Bile Acids, Bowel Dysfunction, 48 Hour, Feces
Aids in evaluation of patients suspected of having irritable bowel syndrome-diarrhea symptoms due to bile acid malabsorption
PBKQN - Overview: BK Virus DNA Detection and Quantification, Plasma
Detection and serial monitoring of BK virus-associated nephropathy in kidney transplant recipients using plasma specimens Detection and serial monitoring of BK virus-associated hemorrhagic cystitis in organ transplant recipients
CFRC - Overview: Bacterial Culture, Cystic Fibrosis, Respiratory
Detecting disease-causing aerobic bacteria in specimens from patients with cystic fibrosis
ASMW - Overview: Acid Sphingomyelinase, Leukocytes
Investigation of possible diagnosis of Niemann-Pick disease types A and B This test is not recommended for carrier detection because of the wide range of enzymatic activities observed in carriers and noncarriers.
HEX4 - Overview: Glucotetrasaccharides, Random, Urine
Diagnosing Pompe disease, when used in conjunction with acid alpha-glucosidase enzyme activity assays and molecular genetic analysis of the GAA gene Monitoring patients with Pompe disease on enzyme replacement therapy May support the...
MSCSF - Overview: Bacteria, Virus, Fungus, and Parasite Metagenomic Sequencing, Spinal Fluid
Detecting and identifying pathogenic organisms including bacteria, fungi, DNA viruses, RNA viruses, and parasites in cerebrospinal fluid This test is not recommended as a test of cure because nucleic acids may persist after successful...
CLFAT - Overview: Cryptococcus Antigen Titer, Lateral Flow Assay, Spinal Fluid
Monitoring Cryptococcus antigen titers in cerebrospinal fluid Aiding in the diagnosis of cryptococcosis This test should not be used as a test of cure or to guide treatment decisions.
HBGCD - Overview: Hepatitis B Surface Antigen for Cadaveric or Hemolyzed Specimens, Serum
Testing cadaveric and hemolyzed blood specimens for hepatitis B surface antigen (HBsAg); US Food and Drug Administration-licensed for use with hemolyzed specimens Diagnosis of acute, recent (<6-month duration), or chronic hepatitis B...
NSYPH - Overview: Syphilis IgG Enzyme Immunoassay, Serum
An aid in the diagnosis of infection with Treponema pallidum Routine prenatal screening This test is not useful for diagnosis of congenital syphilis. This test is not offered as a screening or confirmatory test for blood donor specimens.
PMET - Overview: Metanephrines, Fractionated, Free, Plasma
Screening test for presumptive diagnosis of catecholamine-secreting pheochromocytomas or paragangliomas
C341Q - Overview: Complement C3 and C4 with Anti-C1q Antibodies, Serum
Evaluating patients with suspected anti-C1q vasculitis Predicting renal involvement in patients with systemic lupus erythematosus
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....
Detection of (1→3)-𝝱-D-glucan as a Marker of Invasive Fungal Disease - Insights
In this month’s “Hot Topic,” Elitza Theel, Ph.D., will discuss the detection of (1→3)-β-D-glucan (BDG) in serum as a biomarker for the presence of invasive fungal infections....
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....