Producing cell cultures that can be used for enzymatic or molecular genetic analysis
MTDNX - Overview: Methadone Confirmation, Chain of Custody, Random, Urine
Monitoring for compliance of methadone treatment for analgesia or drug rehabilitation Assessing compliance with rehabilitation programs Chain of custody is required whenever the results of testing could be used in a court of law. Its...
2B6Q - Overview: Cytochrome P450 2B6 Genotype, Varies
Aiding in determining therapeutic strategies for drugs that are metabolized by cytochrome P450 (CYP) 2B6 Providing information relevant to bupropion, efavirenz, ketamine, methadone, and nevirapine, as well as other medications metabolized...
EBVQN - Overview: Epstein-Barr Virus DNA Detection and Quantification, Plasma
Diagnosis of Epstein-Barr virus (EBV)-associated infectious mononucleosis in individuals with equivocal or discordant EBV serologic marker test results Diagnosis of post-transplant lymphoproliferative disorders (PTLD), especially in...
SCN5A - Overview: Brugada Syndrome, SCN5A Full Gene Analysis, Varies
Providing a genetic evaluation for patients with a personal or family history suggestive of Brugada syndrome Establishing a diagnosis of Brugada syndrome
HYPBG - Overview: Hypobetalipoproteinemia Gene Panel, Varies
Providing a genetic evaluation for patients with a personal or family history suggestive of familial hypobetalipoproteinemia
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...
PTNZ - Overview: PTEN Hamartoma Tumor Syndrome, PTEN Full Gene Analysis, Varies
Evaluating patients with a personal or family history suggestive of PTEN hamartoma tumor syndrome (PHTS) Establishing a diagnosis of PHTS allowing for targeted cancer surveillance based on associated risks Identifying variants within...
KRABZ - Overview: Krabbe Disease, Full Gene Analysis and Large (30 kb) Deletion, Varies
Second-tier test for confirming a diagnosis of Krabbe disease Carrier testing for individuals with a family history of Krabbe disease in the absence of known sequence variants in the family
MPSWB - Overview: Mucopolysaccharidosis, Blood
Supporting the biochemical diagnosis of mucopolysaccharidoses type I, II, III, IV, or VI Quantification of heparan sulfate, dermatan sulfate, and keratan sulfate in whole blood specimens
NGBCL - Overview: MayoComplete B-Cell Lymphoma, Next-Generation Sequencing, Varies
Aiding in establishing diagnosis, refining prognosis, and potentially identifying targeted therapies for the optimal management of patients with B-cell lymphomas
MP8BS - Overview: Mucopolysaccharidoses, Eight-Enzyme Panel, Blood Spot
Supporting the biochemical diagnosis of mucopolysaccharidoses types II, IIIA, IIIB, IIIC, IVA, IVB, VI, and VII, and of multiple sulfatase deficiency This test is not useful for carrier detection.
Evaluating patients with suspected stiff-person syndrome (classical or focal forms, such as stiff-limb or stiff-trunk) and progressive encephalomyelitis with rigidity and myoclonus using spinal fluid specimens
VLCZ - Overview: Very Long Chain Acyl-CoA Dehydrogenase Deficiency, Full Gene Analysis, Varies
Confirmation of a diagnosis of very long chain acyl-CoA dehydrogenase (VLCAD) deficiency Carrier screening in cases where there is a family history of VLCAD deficiency, but an affected individual is not available for testing or...
WEEP - Overview: Western Equine Encephalitis Antibody, IgG and IgM, Serum
Aiding the diagnosis of Western equine encephalitis using serum specimens
USTEK - Overview: Ustekinumab Quantitation with Antibodies, Serum
Evaluation of loss of response to therapy Quantification of ustekinumab in human serum Trough level quantitation for evaluation of patients treated with ustekinumab Detection of antibodies to ustekinumab in human serum
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...
RISAP - Overview: Risankizumab Quantitation with Antibodies, Serum
Evaluation of patients with limited primary (initial) response to or secondary loss of response to risankizumab
FXS - Overview: Fragile X Syndrome, Molecular Analysis, Varies
Confirming a diagnosis of fragile X syndrome, fragile X tremor/ataxia syndrome, or premature ovarian insufficiency caused by expansions in the FMR1 gene Determining carrier status for individuals with a family history of fragile X...
QMPSS - Overview: Monoclonal Protein Study, Quantitative, Serum
Aiding in the diagnosis and monitoring of monoclonal gammopathies, when used in conjunction with free light chain studies This test alone is not considered an adequate screen for monoclonal gammopathies.
F822P - Overview: Hemophilia A F8 Gene, Intron 22 Inversion Mutation Analysis, Prenatal
Prenatal testing for hemophilia A when a F8 intron 22 inversion has been identified in a family member
HISGT - Overview: Histone Genes Mutation Analysis, Next-Generation Sequencing, Tumor
Identifying specific mutations within the H3-3A, H3-3B, H3C2, H3C3 and H3C14 genes that assist in tumor diagnosis/classification
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...
HBAG - Overview: Hepatitis B Virus Surface Antigen, Serum
Diagnosis of acute, recent, or chronic hepatitis B Determination of chronic hepatitis B status This test should not be used as a screening or confirmatory test for blood donor specimens.
ESR1T - Overview: ESR1 Mutation Analysis, Next-Generation Sequencing, Tumor
Assisting in the clinical management of patients with metastatic breast cancer by identifying tumors with evolving resistance to endocrine therapy Stratifying prognosis of metastatic breast cancer
BHCG - Overview: Beta-Human Chorionic Gonadotropin, Quantitative, Serum
Monitoring patients for retained products of conception Aiding in the diagnosis of gestational trophoblastic disease (GTD), testicular tumors, ovarian germ cell tumors, teratomas, and, rarely, other human chorionic gonadotropin...
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...
DMITO - Overview: Mitochondrial DNA Deletion Heteroplasmy, ddPCR, Varies
Assessing the heteroplasmy level of previously detected large mitochondrial DNA (mtDNA) deletions. Screening family members for previously detected large mtDNA deletions. This test is not recommended for first tier diagnostic testing...
MULT - Overview: Zygosity Testing (Multiple Births), Varies
Determining genetic risk for an individual whose twin or triplet is affected with a genetic disorder for which a specific genetic test is not available (or such testing is uninformative) Assessment of risks prenatally when one fetus of...
HBAGP - Overview: Hepatitis B Virus Surface Antigen Prenatal, Serum
Diagnosis of acute, recent, or chronic hepatitis B Determination of chronic hepatitis B status Screening pregnant women for evidence of chronic hepatitis B (or hepatitis B carrier state) to identify neonates who are at high risk of...
PLSD - Overview: Lysosomal and Peroxisomal Disorders Screen, Blood Spot
Evaluation of patients with a clinical presentation suggestive of a lysosomal disorder, specifically Gaucher, infantile neurovisceral or chronic visceral acid sphingomyelinase deficiency,, Pompe, Krabbe, or Fabry disease, or...
Screening for common variable immunodeficiency and hyper-IgM syndromes Assessing B-cell subset reconstitution after stem cell or bone marrow transplant Assessing response to B-cell-depleting immunotherapy This test is not indicated...
PC2TC - Overview: Purkinje Cell Cytoplasmic Antibody Type 2 (PCA-2) Titer, Spinal Fluid
Evaluating patients who present with a subacute neurological disorder of undetermined etiology and have risk factors for lung cancer Reporting an end titer result from spinal fluid specimens
PC2TS - Overview: Purkinje Cell Cytoplasmic Antibody Type 2 (PCA-2) Titer, Serum
Evaluating patients who present with a subacute neurological disorder of undetermined etiology and have risk factors for lung cancer Reporting an end titer result from serum specimens
VZPG - Overview: Varicella-Zoster Antibody, IgG, Serum
Determination of immune status of individuals to the varicella-zoster virus (VZV) Documentation of previous infection with VZV in an individual without a previous record of immunization to VZV
SMAS - Overview: Smooth Muscle Antibody Screen, Serum
Evaluation of patients with hepatitis of unknown origin associated with hypergammaglobulinemia and/or abnormal liver enzymes
FMBNY - Overview: Fetomaternal Bleed, New York, Blood
Determining the volume of fetal-to-maternal hemorrhage for the purposes of recommending an increased dose of the Rh immune globulin This test is used only for specimens collected in New York state.
PCTTC - Overview: Purkinje Cell Cytoplasmic Antibody, Type Tr (PCA-Tr) Titer, Spinal Fluid
Serological testing for Purkinje cell cytoplasmic antibody-Tr for patients with acquired cerebellar ataxia of undetermined etiology, particularly if the patient has a history of Hodgkin lymphoma Reporting an end titer result from spinal...
FMB - Overview: Fetomaternal Bleed, Flow Cytometry, Blood
Determining the volume of fetal-to-maternal hemorrhage for the purposes of recommending an increased dose of the Rh immune globulin
FLT - Overview: FLT3 Mutation Analysis, Varies
Prognostic indication for some patients with acute myeloid leukemia This test should not be used to monitor residual disease following treatment.
ADAMS - Overview: ADAMTS13 Activity Assay, Plasma
Assisting with the diagnosis and monitoring of congenital, immune, or acquired thrombotic thrombocytopenic purpura
BUPMX - Overview: Buprenorphine and Norbuprenorphine, Chain of Custody, Random, Urine
Monitoring of compliance of buprenorphine therapy Detection and confirmation of the illicit use of buprenorphine Chain of custody is required whenever the results of testing could be used in a court of law. Its purpose is to protect the...
MYD88 - Overview: MYD88, L265P, Somatic Gene Mutation, DNA Allele-Specific PCR, Varies
Establishing the diagnosis of lymphoplasmacytic lymphoma/Waldenstrom macroglobulinemia Helping to distinguish lymphoplasmacytic lymphoma/Waldenstrom macroglobulinemia (low-grade B-cell lymphoma) from other subtypes
OAUS - Overview: Organic Acids Screen, Urine Spot
Diagnosis of inborn errors of metabolism using dried urine specimens
STLP - Overview: St. Louis Encephalitis Antibody, IgG and IgM, Serum
Aiding in the diagnosis of St. Louis encephalitis using serum specimens
CYCL - Overview: Cyclospora Stain, Feces
Identifying Cyclospora cayetanensis as a cause of infectious gastroenteritis
CMVG - Overview: Cytomegalovirus (CMV) Antibodies, IgG, Serum
Determining whether a patient (especially transplant recipients and organ and blood donors) has had a recent infection or previous exposure to cytomegalovirus
EEEP - Overview: Eastern Equine Encephalitis Antibody, IgG and IgM, Serum
Aiding in the diagnosis of Eastern equine encephalitis using serum specimens
HBRP - Overview: Histoplasma capsulatum/Blastomyces species, Molecular Detection, PCR, Varies
Rapid detection of Histoplasma capsulatum and Blastomyces dermatitidis DNA Aiding in the rapid diagnosis of histoplasmosis and blastomycosis
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....
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....
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.