CD138 - Overview: CD138 (Syndecan) Immunostain, Technical Component Only
Marker of plasma cells and squamous epithelial cells
PTEM - Overview: Platelet Transmission Electron Microscopic Study, Whole Blood
Diagnosing platelet disorders
CHOU - Overview: Carbohydrate, Urine
Screening for conditions associated with increased excretion of carbohydrates, including inborn errors of fructose and galactose metabolism. This test is not recommended as a follow up test for abnormal newborn screening for galactosemia.
FOXP1 - Overview: FOXP1 Immunostain, Technical Component Only
Classification of lymphomas
Qualitative detection of human T-cell lymphotropic virus types I and II (HTLV-I and HTLV-II)-specific antibodies with confirmation and differentiation between HTLV-I and HTLV-II infection This test should not be used to screen blood, human...
APCRV - Overview: Activated Protein C Resistance V (APCRV), Plasma
Evaluation of patients with incident or recurrent venous thromboembolism (VTE) Evaluation of individuals with a family history of VTE
CMVQN - Overview: Cytomegalovirus (CMV) DNA Detection and Quantification by Real-Time PCR, Plasma
Detection and quantification of cytomegalovirus (CMV) viremia Monitoring CMV disease progression and response to antiviral therapy
STL - Overview: Enteric Pathogens Culture, Feces
Determining whether a bacterial enteric pathogen is the cause of diarrhea May be helpful in identifying the source of the infectious agent (eg, dairy products, poultry, water, or meat) This test is generally not useful for patients...
MMPGM - Overview: Mumps Virus Antibody, IgM and IgG, Serum
Diagnosis of mumps virus infection Determination of postimmunization immune response of individuals to the mumps vaccine Documentation of previous infection with mumps virus in an individual with no previous record of immunization to...
MPS4W - Overview: Mucopolysaccharidosis IV Enzyme Panel, Leukocytes
Supporting the biochemical diagnosis of mucopolysaccharidosis type IVA and IVB in whole blood specimens This test is not useful for carrier detection.
C2NAD - Overview: PrecivityAD, Plasma
Assisting in the evaluation of adult patients, aged 55 years and older, with signs or symptoms of mild cognitive impairment or dementia who are being assessed for Alzheimer disease and other causes of cognitive decline This is not intended...
ANPAT - Overview: Anatomic Pathology Consultation, Wet Tissue
Obtaining a rapid, expert opinion on unprocessed specimens (lung tissue for immunofluorescence, cardiac biopsies, enucleated eye specimens, iris, conjunctiva, cornea, and other small eye biopsies) referred by a pathologist This test is not...
ACASM - Overview: Pernicious Anemia Cascade, Serum
Diagnosis of pernicious anemia Diagnosis of vitamin B12 deficiency-associated neuropathy
RLTE4 - Overview: Leukotriene E4, Random, Urine
Aiding in the evaluation of patients at-risk for mast cell activation syndrome (eg, systemic mastocytosis, IgE-mediated allergies, or aspirin-exacerbated respiratory disease) using random urine collections
C9ORF - Overview: C9orf72 Hexanucleotide Repeat, Molecular Analysis, Varies
Molecular confirmation of clinically suspected cases of c9FTD/ALS, frontotemporal dementia (FTD), or amyotrophic lateral sclerosis (ALS) Presymptomatic testing for individuals with a family history of c9FTD/ALS and a documented expansion...
Confirmation of a clinical diagnosis of Duchenne muscular dystrophy (DMD) or Becker muscular dystrophy (BMD) Distinguishing DMD from BMD in some cases, based on the type of deletion detected (allows for better prediction of...
DHCRZ - Overview: Smith Lemli Opitz Syndrome, DHCR7 Gene, Full Gene Analysis, Varies
Follow up for abnormal biochemical results suggestive of Smith-Lemli-Opitz syndrome Establishing a molecular diagnosis for patients with Smith-Lemli-Opitz syndrome Identifying alterations within DHCR7 allowing for predictive testing of...
GNHMB - Overview: Hemophilia B, F9 Gene, Next-Generation Sequencing, Varies
Confirming a clinical diagnosis of hemophilia B in affected male patients with the identification of a disease-causing variant in the F9 gene Determining the disease-causing alteration within the F9 gene to delineate the underlying...
LUCHM - Overview: LiquidHALLMARK ctDNA and ctRNA
As an alternative to invasive tissue biopsies to assist in tumor profiling for diagnosis, predicting prognosis, and identifying targeted therapies for the treatment and management of patients with a solid tumor This test is not useful for...
Evaluation of pediatric bone marrow and peripheral blood specimens by fluorescence in situ hybridization probe analysis for classic rearrangements and chromosomal copy number changes associated with T-cell acute lymphoblastic leukemia in...
GAAZ - Overview: Pompe Disease, Full Gene Analysis, Varies
Confirmation of diagnosis of Pompe disease (as a follow-up to biochemical analyses)
HBAB - Overview: Hepatitis B Virus Surface Antibody, Qualitative/Quantitative, Serum
Identifying previous exposure to hepatitis B virus Determining adequate immunity from hepatitis B vaccination
HBBSN - Overview: Hepatitis B Virus Surface Antibody Screen, Qualitative/Quantitative, Serum
Identifying previous exposure to hepatitis B virus
APCRR - Overview: Activated Protein C Resistance V, with Reflex to Factor V Leiden, Blood and Plasma
Evaluating patients with incident or recurrent venous thromboembolism (VTE) Evaluating individuals with a family history of VTE
MCMRU - Overview: Mast Cell Mediators, Random, Urine
Evaluating patients at risk for mast cell activation syndrome (eg, systemic mastocytosis) using random urine collections
HBABP - Overview: Hepatitis B Virus Surface Antibody Prenatal, Qualitative/Quantitative, Serum
Identifying previous exposure to hepatitis B virus in pregnant individuals Determining adequate immunity from hepatitis B vaccination during pregnancy
PKUBS - Overview: Phenylalanine and Tyrosine, Blood Spot
Monitoring effectiveness of therapy in patients with hyperphenylalaninemia This test is not sufficient for follow-up for abnormal newborn screening results or for establishing a diagnosis of a specific cause of hyperphenylalaninemia
MAMMX - Overview: 6-Monoacetylmorphine (6-MAM) Confirmation, Chain of Custody, Meconium
Detecting in utero heroin exposure up to 5 months before birth Chain of custody is required whenever the results of testing could be used in a court of law. Its purpose is to protect the rights of the individual contributing the specimen...
Detection of RUNX1-RUNX1T1 gene fusion in acute myeloid leukemia patients at the time of diagnosis Minimal residual disease monitoring during the clinical and therapeutic course of these patients
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)
KRASP - Overview: KRAS Somatic Mutation Analysis, Tumor
Detecting molecular markers associated with response or resistance to specific cancer
Detecting Mycoplasma genitalium in cases of suspected infection in peritoneal fluid or prostatic secretion (VBIII) fluid/urine This test is not intended for use in medico-legal applications.
ADVQU - Overview: Adenovirus DNA Detection and Quantification, Plasma
Aiding in the diagnosis of disseminated adenovirus infections in at-risk individuals Measuring adenoviral load in plasma to monitor disease progression and antiviral response in individuals with disseminated infection
ALLOI - Overview: Allo-isoleucine, Blood Spot
Evaluation of newborn screening specimens that test positive for branched-chain amino acids elevations Follow-up of patients with maple syrup urine disease
OAU - Overview: Organic Acids Screen, Random, Urine
Diagnosis of inborn errors of metabolism
TULAB - Overview: Francisella tularensis Antibody, IgM and IgG, ELISA, Serum
Aiding in the diagnosis of tularemia caused by Francisella tularensis This test should not be used as a test of cure as it is not quantitative. Patients may remain seropositive for months to years following resolution of disease.
TCL1A - Overview: T-Cell Leukemia/Lymphoma Protein 1A (TCL1A) Immunostain, Technical Component Only
Identification of T-cell leukemia and lymphoma protein overexpression in neoplasms
TULI - Overview: Francisella tularensis Antibody, IgM and IgG, Technical Interpretation, Serum
Interpretation to aid in the diagnosis of tularemia caused by Francisella tularensis
LACO - Overview: Lacosamide, Serum
Monitoring serum concentrations of lacosamide to ensure compliance and appropriate dosing in specific clinical conditions (ie, severe kidney impairment, mild-to-moderate hepatic impairment, and kidney failure)
ITCON - Overview: Itraconazole, Serum
Verifying systemic absorption of orally administered itraconazole Patients with life-threatening fungal infections Patients considered at risk for poor absorption or rapid clearance of itraconazole
SIIRO - Overview: Sirolimus, Whole Blood
Monitoring whole blood sirolimus concentration during therapy, particularly in individuals coadministered cytochrome P450 (CYP) 3A4 substrates, inhibitors, or inducers Adjusting dose to optimize immunosuppression while minimizing...
MONOF - Overview: Monocyte Repartition by CD14/CD16, Blood
Aiding in the diagnosis and monitoring of chronic myelomonocytic leukemia
TAKRO - Overview: Tacrolimus, Blood
Monitoring whole blood tacrolimus concentration during therapy, particularly in individuals coadministered cytochrome P450 (CYP) 3A4 substrates, inhibitors, or inducers Adjusting dose to optimize immunosuppression while minimizing...
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...
CITRA - Overview: Citrate Excretion, Random, Urine
Diagnosing risk factors for patients with calcium kidney stones using random urine specimens Monitoring results of therapy in patients with calcium stones or renal tubular acidosis
AMPHM - Overview: Amphetamine-Type Stimulants Confirmation, Meconium
Detecting in utero exposure to amphetamine-type stimulants up to 5 months before birth
HIPA - Overview: Hippuric Acid, Urine
Hippuric Acid, Urine
FCBDS - Overview: Cannabidiol, Serum
Cannabidiol, Serum
AMLAF - Overview: Acute Myeloid Leukemia (AML), FISH, Adult, Varies
This test should not be used to screen for residual acute myeloid leukemia (AML). Useful at diagnosis for detecting recurrent common chromosome abnormalities in adult patients with AML An adjunct to chromosome studies in patients with...
GNBLC - Overview: Bleeding Disorders, Comprehensive Gene Panel, Next-Generation Sequencing, Varies
Evaluating hereditary bleeding in patients with a personal or family history suggestive of a hereditary bleeding disorder Confirming a hereditary bleeding disorder diagnosis with the identification of a known or suspected disease-causing...
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.