SS18F - Overview: Synovial Sarcoma (SS), 18q11.2 (SS18 or SYT) Rearrangement, FISH, Tissue
Supporting the diagnosis of synovial sarcoma when used in conjunction with an anatomic pathology consultation
Detection of acute hepatitis C virus (HCV) infection before the appearance of HCV antibodies in serum (ie, <2 months from exposure) Detection and confirmation of chronic HCV infection Quantification of HCV RNA in serum of patients with...
Detection of acute hepatitis C virus (HCV) infection before the appearance of HCV antibodies in serum (ie, <2 months from exposure) in women who are pregnant Detection and confirmation of chronic HCV infection in women who are...
BRFKT - Overview: BRAF and KIT Mutation Analysis, Next-Generation Sequencing, Tumor
Identifying specific mutations within the BRAF and KIT genes that predict response to therapy
PMPDD - Overview: PMP22 Gene, Large Deletion/Duplication Analysis, Varies
Diagnosis of Charcot-Marie-Tooth type 1A or hereditary neuropathy with liability to pressure palsies
H2GE - Overview: HER2 Amplification Associated with Gastroesophageal Cancer, FISH, Tissue
A predictive marker for patients with both node-positive or node-negative primary and metastatic gastroesophageal cancer Guiding therapy for patients with primary or metastatic gastroesophageal tumors, as patients with HER2 amplification...
BRCAT - Overview: BRCA1/2 Mutation Analysis, Next-Generation Sequencing, Tumor
Identifying specific mutations within the BRCA1 and BRCA2 genes known to be associated with response to PARP inhibitors and sensitivity to platinum-based therapy This test is not intended for the evaluation of patients suspected of having...
NGAML - Overview: MayoComplete Acute Myeloid Leukemia, 11-Gene Panel, Varies
Evaluation of acute myeloid leukemia using a focused 11-gene panel at the time of diagnosis, or possibly at the time of relapsed/refractory disease, to help guide classification and possible therapeutic approaches
PBC2 - Overview: SP100 and GP210 Antibodies, IgG, Serum
Evaluating the risk of primary biliary cholangitis in anti-mitochondrial antibody (AMA)-negative patients by identification of Sp100 and gp210 antibodies Estimating risk in AMA-positive patients with incomplete feature of disease
FQPPS - Overview: Porphyrins, Feces
Evaluation of patients who present with signs or symptoms suggestive of porphyria cutanea tarda, hereditary coproporphyria, variegate porphyria, congenital erythropoietic porphyria, erythropoietic protoporphyria, or X-linked dominant...
MYEFL - Overview: Myelodysplastic Syndrome by Flow Cytometry, Bone Marrow
Detecting increased blasts Characterizing blast phenotypes Identifying abnormal patterns of myeloid maturation as seen in myelodysplastic syndromes and other clonal myeloid neoplasms Providing additional adjunct diagnostic information in...
Risk stratification of patients with treated multiple myeloma, which can assist in determining treatment and management decisions Risk stratification of patients with newly diagnosed multiple myeloma
PN10X - Overview: Pain Clinic Survey 10, Chain of Custody, Random, Urine
Detecting drug use involving amphetamines, barbiturates, benzodiazepines, cocaine, methadone, opiates, phencyclidine, and carboxy-tetrahydrocannabinol This chain-of-custody test is intended to be used in a setting where the test results...
VWACT - Overview: von Willebrand Factor Activity, Plasma
Diagnosis of von Willebrand disease (VWD) and differentiation of VWD subtypes or differentiation of VWD from hemophilia A Monitoring therapeutic efficacy of treatment with DDAVP (desmopressin) or VWF concentrates in patients with VWD
Risk stratification of patients with treated multiple myeloma, which can assist in determining treatment and management decisions Risk stratification of patients with newly diagnosed multiple myeloma
Monitoring acute (ie, short-term) drug use in addiction treatment or pain management settings as part of a rotational drug testing strategy Presumptive screening for amphetamine, methamphetamine, opioids/opiates (targeting morphine,...
TCD4 - Overview: CD4 Count for Immune Monitoring, Blood
Serial monitoring of CD4 T cell count in patients who are HIV-positive Follow-up and diagnostic evaluation of primary cellular immunodeficiencies, including severe combined immunodeficiency T-cell immune monitoring following...
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...
PMS2 - Overview: PMS2 Immunostain, Technical Component Only
Identifying patients at high risk for having hereditary nonpolyposis colorectal cancer, also known as Lynch syndrome, in an immunopanel including PMS2 and other mismatch repair markers Evaluation of tumor tissue to identify patients at...
MLH1 - Overview: MLH1 Immunostain, Technical Component Only
Evaluation of tumor tissue to identify patients at high risk for having hereditary nonpolyposis colorectal cancer, also known as Lynch syndrome Evaluation of tumor tissue to identify patients at risk for having hereditary endometrial...
MSH2 - Overview: MSH2 Immunostain, Technical Component Only
Identifying patients at high risk for having hereditary nonpolyposis colorectal cancer, also known as Lynch syndrome, in an immunopanel including MSH2 and other mismatch repair markers Evaluation of tumor tissue to identify patients at...
SER - Overview: Serotonin, Serum
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...
PQNRU - Overview: Porphyrins, Quantitative, Random, Urine
Preferred test to begin assessment for congenital erythropoietic porphyria and porphyria cutanea tarda and during symptomatic periods for acute intermittent porphyria, hereditary coproporphyria, and variegate porphyria when specimen...
VZIKM - Overview: Zika Virus, IgM Antibody Capture ELISA, Serum
Screening for the presence of IgM-class antibodies to Zika virus This test is not intended for medical-legal use. This test is not recommended for asymptomatic couples attempting conception.
PANOX - Overview: Pain Clinic Survey 10, Chain of Custody, Random, Urine
Detecting drug use involving amphetamines, barbiturates, benzodiazepines, cocaine, methadone, opiates, phencyclidine, and tetrahydrocannabinol This chain-of-custody test is intended to be used in a setting where the test results can be...
RPDEI - Overview: Rapidly Progressive Dementia Evaluation Interpretation, Spinal Fluid
Interpretation of the Rapidly Progressive Dementia Evaluation
TTRX - Overview: Amyloidosis, Transthyretin-Associated Familial, Reflex, Blood
Diagnosis of adult individuals suspected of having transthyretin-associated familial amyloidosis
CRDPU - Overview: Creatine Disorders Panel, Random, Urine
Evaluating patients with a clinical suspicion of arginine:glycine amidinotransferase deficiency, guanidinoacetate methyltransferase deficiency, and creatine transporter deficiency
MISCF - Overview: Miscellaneous Studies Using Chromosome-Specific Probes, FISH
Resolution of unusual or complex structural alterations, questionable mosaicism, and unbalanced chromosome abnormalities that cannot be resolved by chromosome or chromosomal microarray analysis Identifying gain, loss, or rearrangement of...
HFET - Overview: Hereditary Hemochromatosis, HFE Variant Analysis, Varies
Establishing or confirming the clinical diagnosis of hereditary hemochromatosis (HH) in adults Testing of individuals with increased serum transferrin-iron saturation and ferritin Predictive testing of individuals who have a family...
GALMP - Overview: Galactosemia, GALT Gene, Variant Panel, Varies
Second-tier test for confirming a diagnosis of galactosemia as indicated by enzymatic testing or newborn screening Carrier testing family members of an affected individual of known genotype (has variants included in the panel) Resolution...
MUGS - Overview: Hexosaminidase A, Serum
Second-order test for diagnosing the B1 variant of Tay-Sachs disease This test is not useful for testing for Sandhoff disease.
H2MT - Overview: HER2 Amplification, Miscellaneous Tumor, FISH, Tissue
Guiding cancer therapy, as patients with HER2 amplification may be candidates for therapies that target the human epidermal growth factor receptor 2 (HER2) protein (eg, trastuzumab [Herceptin], pertuzumab) Confirming the presence of HER2...
CD20B - Overview: CD20 on B Cells, Blood
Evaluation of patients with a suspected CD19 deficiency (humoral immunodeficiency) Confirming complete absence of B cells in suspected primary humoral immunodeficiencies using both CD19 and CD20 markers Assessing therapeutic B-cell...
IDHT - Overview: IDH1 and IDH2 Mutation Analyses, Next-Generation Sequencing, Tumor
Identifying specific mutations within the IDH1 and IDH2 genes that assist in tumor diagnosis/classification and predict response to targeted therapy
MCMLN - Overview: MayoComplete Melanoma Panel, Next-Generation Sequencing, Tumor
Determining if patients will respond to targeted therapy Assessing microsatellite instability for immunotherapy decisions
MCCRC - Overview: MayoComplete Colorectal Cancer Panel, Next-Generation Sequencing, Tumor
Primarily for determining patient response to various targeted therapies/immunotherapy Predicting prognosis from microsatellite instability status
MCECP - Overview: MayoComplete Endometrial Carcinoma Panel, Next-Generation Sequencing, Tumor
Primarily for determining if patients will respond to targeted therapy Assessment of microsatellite instability for immunotherapy decisions Molecular-based classification of endometrial carcinoma
ASPBA - Overview: Aspergillus Antigen, Bronchoalveolar Lavage
Aiding in the diagnosis of invasive aspergillosis using bronchoalveolar lavage specimens Assessing response to therapy
CD4RT - Overview: CD4 T-Cell Recent Thymic Emigrants, Blood
Evaluating thymic reconstitution in patients following hematopoietic cell transplantation, chemotherapy, immunomodulatory therapy, and immunosuppression Evaluating thymic recovery in patients who are HIV-positive and on highly active...
RBCS - Overview: Relative B-Cell Subset Analysis Percentage, Blood
Screening for humoral or combined immunodeficiencies, including common variable immunodeficiency, hyper IgM syndrome, among others, where B-cell subset distribution information is desired Assessing B-cell subset reconstitution after...
Evaluation of acute myeloid leukemia using a focused 4-gene panel at the time of diagnosis, or possibly relapsed or refractory disease, to help guide possible therapeutic approaches
Establishing diagnosis and identifying targeted therapies for patients with gastrointestinal stromal tumors Assessing microsatellite instability
AMH1 - Overview: Antimullerian Hormone, Serum
Assessing ovarian status, including ovarian reserve and responsiveness, as part of an evaluation for infertility and assisted reproduction protocols Assessment of menopausal status, including premature ovarian failure Evaluation of...
Diagnosis of inflammatory demyelinating diseases (IDD) with similar phenotype to neuromyelitis optica (NMO) spectrum disorder (NMOSD), including optic neuritis (single or bilateral) and transverse myelitis Diagnosis of autoimmune myelin...
EOSMF - Overview: Chronic Eosinophilia, Specified FISH, Varies
Detecting a neoplastic clone associated with the common chromosome abnormalities seen in patients with myeloid/lymphoid neoplasms with eosinophilia and gene rearrangement (including PDGFRA, PDGFRB, FGFR1, JAK2, and ABL1) using specified...
RAVMP - Overview: Ravulizumab Monitoring Panel, Serum
Monitoring of complement blockage by ravulizumab Assessing the response to ravulizumab therapy Assessing the need for dose escalation Evaluating the potential for dose deescalation or discontinuation of therapy in remission...
PADF - Overview: Prenatal Aneuploidy Detection, FISH
Screening for chromosomal aneuploidies of chromosomes 13, 18, 21, X, and Y in prenatal specimens
HL57R - Overview: HLA-B*57:01 Genotype, Pharmacogenomics, Varies
Identifying individuals with an increased risk of hypersensitivity reactions to abacavir, based on the presence of the human leukocyte antigen HLA-B*57:01 allele Identifying individuals taking pazopanib who have an increased risk of...
APOEG - Overview: Apolipoprotein E Genotyping, Blood
Determining the specific apolipoprotein E (APOE) genotypes in individuals with type III hyperlipoproteinemia Determining the specific APOE genotypes that may increase risk for amyloid related imaging abnormalities in individuals being...
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....