C1INF - Overview: C1 Esterase Inhibitor, Functional, Serum
Diagnosing hereditary angioedema Monitoring response to C1 esterase inhibitor replacement therapy
HAIGM - Overview: Hepatitis A Virus IgM Antibody, Serum
Diagnosis of acute or recent hepatitis A infection
WGSR - Overview: Whole Genome Sequencing Reanalysis, Varies
Identifying a diagnosis or additional variants associated with the phenotype in patients who previously have had a negative or inconclusive whole genome sequencing test Reanalyzing whole genome sequencing data when a patient (proband)...
VZIKU - Overview: Zika Virus, PCR, Molecular Detection, Random, Urine
Qualitative detection of Zika virus RNA in paired urine and serum from individuals meeting the Centers of Disease Control and Prevention Zika virus clinical or epidemiologic criteria
HBABT - Overview: Hepatitis B Virus Surface Antibody Monitor, Post-Transplant, Serum
Monitoring serum hepatitis B virus surface antibody levels during intravenous or intramuscular hepatitis B immune globulin therapy to prevent hepatitis B virus reinfection in liver transplant recipients with known previous chronic hepatitis...
SLFAT - Overview: Cryptococcus Antigen Titer, Lateral Flow Assay, Serum
Monitoring Cryptococcus antigen titers in serum Aiding in the diagnosis of cryptococcosis This test should not be used as a test of cure or to guide treatment decisions.
VZIKS - Overview: Zika Virus, PCR, Molecular Detection, Serum
Qualitative detection of Zika virus RNA in serum from individuals meeting the Centers of Disease Control and Prevention Zika virus clinical or epidemiologic criteria
UPGDW - Overview: Uroporphyrinogen Decarboxylase, Washed Erythrocytes
Diagnosis of porphyria cutanea tarda type II and hepatoerythropoietic porphyria
GAAW - Overview: Acid Alpha-Glucosidase, Leukocytes
Diagnosis of Pompe disease
CMVLR - Overview: Cytomegalovirus (CMV) Molecular Detection, PCR, Lower Respiratory
Rapid qualitative detection of cytomegalovirus (CMV) DNA in lower respiratory specimens This test is not intended for the monitoring of CMV disease progression or response to therapy.
CORTU - Overview: Cortisol, Free, 24 Hour, Urine
Preferred screening test for Cushing syndrome Diagnosis of pseudo-hyperaldosteronism due to excessive licorice consumption Test may not be useful in the evaluation of adrenal insufficiency.
VWAG - Overview: von Willebrand Factor Antigen, Plasma
Diagnosis of von Willebrand disease (VWD) and differentiation of VWD subtype (in conjunction with von Willebrand factor ristocetin cofactor activity and factor VIII coagulant activity) Differentiation of VWD from hemophilia A (in...
CRAV - Overview: Cortisol, Right Adrenal Vein, Serum
Testing cortisol levels in the right adrenal vein Second-order testing when cortisol measurement by immunoassay gives results that are not consistent with clinical symptoms, or if patients are known to, or suspected of, taking exogenous...
PF199 - Overview: Carbohydrate Antigen 19-9 (CA 19-9), Pleural Fluid
An adjuvant to cytology and imaging studies to differentiate between nonmalignant and malignant causes of pleural effusions
CIVC - Overview: Cortisol, Inferior Vena Cava, Serum
Testing cortisol levels in the inferior vena cava Second-order testing wen cortisol measurement by immunoassay gives results that are not consistent with clinical symptoms, or if patients are known to, or suspected of, taking exogenous...
CLAV - Overview: Cortisol, Left Adrenal Vein, Serum
Testing cortisol levels in the left adrenal vein Second-order testing wen cortisol measurement by immunoassay gives results that are not consistent with clinical symptoms, or if patients are known to, or suspected of, taking exogenous...
TWRP - Overview: Tropheryma whipplei, Molecular Detection, PCR, Varies
Aiding in the diagnosis of Whipple disease, especially for identifying inconclusive or suspicious cases, using tissue or fluid specimens
UPGD - Overview: Uroporphyrinogen Decarboxylase, Whole Blood
Preferred test for the confirmation of a diagnosis of porphyria cutanea tarda type II and hepatoerythropoietic porphyria
CAH2T - Overview: Congenital Adrenal Hyperplasia Newborn Screen, Blood Spot
Second-tier testing of newborns with abnormal screening result for congenital adrenal hyperplasia
199PT - Overview: Carbohydrate Antigen 19-9 (CA 19-9), Peritoneal Fluid
An adjunct to cytology to differentiate between malignancy-related ascites and benign causes of ascites formation
JAK2P - Overview: JAK2 (9p24.1) Rearrangement, Hematologic Disorders, FISH, Tissue
Providing diagnostic information for hematologic malignancies Aiding in the determination of whether a targeted JAK2 inhibitor could be useful for therapy
TFEBF - Overview: Renal Cell Carcinoma, 6p21.1 (TFEB) Rearrangement, FISH, Tissue
Identifying TFEB gene rearrangements in patients with renal cell carcinoma (RCC)
GALE - Overview: Uridine Diphosphate-Galactose 4' Epimerase, Blood
Diagnosis of uridine diphosphate-galactose 4' epimerase deficiency
Providing prognostic information in patients with newly diagnosed B-cell chronic lymphocytic leukemia This test is not intended for use in providing prognostic information for patient with other B-cell neoplasms or hematopoietic tumors.
BALMF - Overview: B-Cell Acute Lymphoblastic Leukemia/Lymphoma (ALL), Specified FISH, Varies
Detecting a neoplastic clone associated with 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)...
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...
THYRO - Overview: Thyrotropin Receptor Antibody, Serum
Recommended first-line test for detection of thyrotropin receptor antibodies Differential diagnosis of etiology of thyrotoxicosis in patients with ambiguous clinical findings and/or contraindicated (eg, pregnant or breast-feeding) or...
IMMG - Overview: Immunoglobulins (IgG, IgA, and IgM), Serum
Detecting or monitoring of monoclonal gammopathies and immune deficiencies
ASPAG - Overview: Aspergillus (Galactomannan) Antigen, Serum
Aiding in the diagnosis of invasive aspergillosis Assessing response to therapy
Predicting risk for statin-associated myopathy in patients beginning statin therapy, especially simvastatin therapy Determining a potential statin lipid lowering response, especially when using pravastatin
SLFA - Overview: Cryptococcus Antigen Screen with Titer, Serum
Aiding in the diagnosis of cryptococcosis This test should not be used as a test of cure or to guide treatment decisions. This test should not be used as a screening procedure for the general populations.
XYMF - Overview: Known 45,X, Mosaicism Reflex Analysis, FISH, Whole Blood
Detecting sex chromosome mosaicism in patients with a 45,X karyotype
USPF - Overview: USP6 (17p13), Aneurysmal Bone Cyst and Nodular Fasciitis, FISH, Tissue
Supporting the diagnosis of aneurysmal bone cyst or nodular fasciitis
9INHE - Overview: Factor IX Inhibitor Evaluation, Plasma
Detection and titering of coagulation inhibitor to the specific factor requested, primarily factor IX in patients with hemophilia B This test is not useful for the detection of a lupus-like circulating anticoagulant inhibitor, a...
KITQ - Overview: KIT p.Asp816Val Variant Analysis, Quantitative, Varies
Diagnosing systemic mastocytosis
SCTF - Overview: Sex Chromosome Determination, FISH, Tissue
Identifying the sex chromosome complement in paraffin-embedded tissues
CRMTS - Overview: Collapsin Response-Mediator Protein-5 (CRMP-5) Neuronal IgG Titer, Serum
Evaluation of neurological autoimmunity particularly that associated with small-cell lung carcinoma and thymoma Reporting an end titer result from serum specimens
Confirming the diagnosis of dermatofibrosarcoma protuberans (DFSP)/giant cell fibroblastoma (GCF) and excluding other spindle neoplasms that closely simulate the DFSP histology, including dermatofibroma (benign fibrous histiocytoma),...
7INHE - Overview: Factor VII Inhibitor Evaluation, Plasma
Detection and quantitation of inhibitor to coagulation factor VII 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...
SEMB - Overview: Semen Analysis with Strict Morphology, Semen
Determining male fertility status Selecting the most cost-effective therapy for treating male-factor infertility Quantifying the number of germinal and white blood cells per milliliter of semen
COCOU - Overview: Cortisol/Cortisone, Free, 24 Hour, Urine
Screening test for Cushing syndrome (hypercortisolism) Assisting in diagnosing acquired or inherited abnormalities of 11-beta-hydroxy steroid dehydrogenase (cortisol to cortisone ratio) Diagnosis of pseudo-hyperaldosteronism due to...
TLCU - Overview: Immunoglobulin Total Light Chains, Urine
Monitoring patients whose urine demonstrates large M-spikes Confirming the quantitation of specimens that show M-spikes by electrophoresis Detecting urine monoclonal proteins and identification of specimens that need urine protein...
Supporting the diagnosis of low-grade fibromyxoid sarcoma when used in conjunction with an anatomic pathology consultation
NPM1Q - Overview: Nucleophosmin (NPM1) Mutation Analysis, Varies
As a prognostic indicator in patients with newly diagnosed acute myelogenous leukemia with normal karyotype and no FLT3 variant and as a leukemia-specific marker of minimal residual disease
CLFA - Overview: Cryptococcus Antigen Screen with Titer, Spinal Fluid
Aiding in the diagnosis of cryptococcosis This test should not be performed as a screening procedure for the general population. This test should not be used as a test of cure or to guide treatment decisions.
DHEA_ - Overview: Dehydroepiandrosterone (DHEA), Serum
Diagnosing and differential diagnosis of hyperandrogenism (in conjunction with measurements of other sex steroids) As an initial screen in adults with bioavailable testosterone measurement that may be supplemented with measurements of sex...
TOSU - Overview: Targeted Opioid Screen, Random, Urine
Determining compliance or identifying illicit opioid drug use using urine specimens This test is not intended for employment-related testing.
CORT - Overview: Cortisol, Serum
Discrimination between primary and secondary adrenal insufficiency Differential diagnosis of Cushing syndrome This test is not recommended for evaluating response to metyrapone.
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....