Search Results

Test Catalog

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...

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...

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

CRMTC - Overview: Collapsin Response-Mediator Protein-5 (CRMP-5) Neuronal IgG Titer, Spinal Fluid

Evaluation of neuroautoimmunity, particularly small-cell lung carcinoma and thymoma, in conjunction with other antineuronal antibodies Reporting an end titer result from cerebrospinal fluid specimens

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.

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...

HSVC - Overview: Herpes Simplex Virus (HSV), Molecular Detection, PCR, Spinal Fluid

Aiding in the rapid diagnosis of herpes simplex virus (HSV)-1 and HSV-2 infections of the central nervous system

HPP12 - Overview: HIV-1/HIV-2 RNA Detection Prenatal, Plasma

Diagnosis of HIV-1 and/or HIV-2 infection in pregnant individuals with indeterminate or inconclusive HIV serologic test results Diagnosis of HIV-1 and/or HIV-2 infection in pregnant individuals in the acute or early phase of HIV-1 and/or...

HPS12 - Overview: HIV-1/HIV-2 RNA Detection Prenatal, Serum

Diagnosis of HIV-1 and/or HIV-2 infection in pregnant individuals with indeterminate or inconclusive HIV serologic test results Diagnosis of HIV-1 and/or HIV-2 infection in pregnant individuals in the acute or early phase of HIV-1 and/or...

HBIM - Overview: Hepatitis B Virus Core IgM Antibody, Serum

Diagnosis of acute hepatitis B virus (HBV) infection Identifying acute HBV infection in the serologic window period when HBV surface antigen and HBV surface antibody results are negative Differentiation between acute, chronic, or past...

HVA - Overview: Homovanillic Acid, 24 Hour, Urine

Screening children for catecholamine-secreting tumors using a 24-hour urine collection when requesting homovanillic acid only Monitoring neuroblastoma treatment Screening patients with possible inborn errors of catecholamine metabolism

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...

NSESF - Overview: Neuron-Specific Enolase (NSE), Spinal Fluid

An auxiliary test in the diagnosis of Creutzfeldt-Jakob disease An auxiliary test in the diagnosis of small cell lung carcinoma metastasis to central nervous system or leptomeninges

NMHR - Overview: N-Methylhistamine, Random, Urine

Screening for and monitoring of mastocytosis and disorders of systemic mast-cell activation, such as anaphylaxis and other forms of severe systemic allergic reactions using random urine specimens Monitoring therapeutic progress in...

OAPNS - Overview: Ova and Parasite, Microscopy, Varies

Detecting and identifying parasitic protozoa and eggs and larvae of parasitic helminths

PYRC - Overview: Pyruvate, Spinal Fluid

Investigating possible disorders of mitochondrial metabolism, when used in conjunction with cerebrospinal fluid lactate, collected at the same time, to determine the lactate-to-pyruvate (L:P) ratio Evaluating patients with neurologic...

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...

PAI1 - Overview: Plasminogen Activator Inhibitor Antigen, Plasma

Identification of heredity elevation or deficiency of plasminogen activator inhibitor type 1 Determination of risk for veno-occlusive disease associated with bone marrow transplantation Differential diagnosis of impaired fibrinolysis...

PR3 - Overview: Proteinase 3 Antibodies, IgG, Serum

Evaluating patients with clinical features of anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis, specifically granulomatosis with polyangiitis (GPA), microscopic polyangiitis, and eosinophilic granulomatosis with...

PTHFN - Overview: Parathyroid Hormone, Fine-Needle Aspiration Biopsy (FNAB)-Needle Wash

Discriminating thyroid tissue from enlarged parathyroid glands Facilitating parathyroid localization prior to surgery An adjunct to cytology examination of fine-needle aspiration specimens to confirm or exclude presence of parathyroid...

PDBS - Overview: Pompe Disease, Blood Spot

Evaluating patients with a clinical presentation suggestive of Pompe disease (muscle hypotonia, weakness, or cardiomyopathy) outside of the newborn screening setting

MAL - Overview: Rapid Malaria/Babesia Smear, Varies

Rapid and accurate detection and species identification of Plasmodium Detection of Babesia, trypanosomes, and some species of microfilariae

RIB - Overview: Ribosome P Antibodies, IgG, Serum

As an adjunct in the diagnostic evaluation of patients with systemic lupus erythematosus (SLE) May be useful in the phenotypic stratification of SLE patients at risk for neuropsychiatric SLE, lupus nephritis and/or hepatitis

PRA - Overview: Renin Activity, Plasma

Investigation of primary aldosteronism (eg, adrenal adenoma/carcinoma and adrenal cortical hyperplasia) and secondary aldosteronism (renovascular disease, salt depletion, potassium loading, cardiac failure with ascites, pregnancy, Bartter...

PKUSC - Overview: Phenylalanine and Tyrosine, Self-Collect, Blood Spot

Monitoring effectiveness of therapy in patients with hyperphenylalaninemia in a patient-collected specimen This test is not sufficient for follow-up for abnormal newborn screening results or for establishing a diagnosis of a specific...

PREGN - Overview: Pregnenolone, Serum

An ancillary test for congenital adrenal hyperplasia, particularly in situations in which a diagnosis of both 21- and 11-hydroxylase deficiency have been ruled out Confirming a diagnosis of 3-beta-hydroxy dehydrogenase deficiency

RO52 - Overview: Ro52 Antibody, IgG, Serum

Evaluating patients at risk for connective tissue disease with or without interstitial lung disease Differentiating single vs double positivity for Ro52 and Ro60 antibodies in combination with anti-Ro60

RO60 - Overview: Ro60 Antibody, IgG, Serum

Evaluating patients at risk for connective tissue disease with or without interstitial lung disease Differentiating single vs double positivity for Ro52 and Ro60 antibodies in combination with anti-Ro60

ROPAN - Overview: Ro52 and Ro60 Antibodies, IgG, Serum

Evaluating patients at risk for connective tissue disease with or without interstitial lung disease Differentiation of antibodies to Ro52 and Ro60 in patients known to be positive for anti-SS-A (Ro) antibodies

RISAP - Overview: Risankizumab Quantitation with Antibodies, Serum

Evaluation of patients with limited primary (initial) response to or secondary loss of response to risankizumab

CRITH - Overview: DNA Double-Stranded (dsDNA) Antibodies by Crithidia luciliae IFA, IgG, Serum

Confirmation testing for dsDNA IgG antibodies in patients with clinical features of systemic lupus erythematosus or at-risk for disease This test should not be used independently for monitoring treatment response or establishing...

DSM5X - Overview: Drugs of Abuse Screen 5, Chain of Custody, Meconium

Identifying amphetamines (and methamphetamines), opiates, and phencyclidine, as well as metabolites of cocaine and marijuana in meconium specimens Chain of custody is required whenever the results of testing could be used in a court of...

DSM4X - Overview: Drugs of Abuse Screen 4, Chain of Custody, Meconium

Identifying amphetamines (and methamphetamines) and opiates, as well as metabolites of cocaine and marijuana in meconium specimen Chain of custody is required whenever the results of testing could be used in a court of law. Its purpose is...

DDITT - Overview: D-Dimer, Plasma

Excluding the diagnosis of acute pulmonary embolism or deep vein thrombosis, particularly when results of a sensitive D-dimer assay are combined with clinical information, including pretest disease probability(1-4) Diagnosis of...

DTABS - Overview: Diphtheria/Tetanus Antibody Panel, Serum

Assessing antibody response to tetanus and diphtheria toxoid vaccines, which should be performed at least 3 weeks after immunization Aiding in the evaluation of immunodeficiency This test should not be used to diagnose tetanus infection

E157C - Overview: Escherichia coli O157:H7 Culture, Feces

Determining whether Escherichia coli O157:H7 may be the cause of diarrhea Reflexive testing for Shiga toxin and/or E coli O157:H7 nucleic acid amplification test-positive feces This test is generally not useful for patients hospitalized...

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

CRANR - Overview: Cortisol, Free, Random, Urine

Investigating suspected hypercortisolism when a 24-hour collection is prohibitive (ie, pediatric patients)

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

CHF8 - Overview: Chromogenic Factor VIII Activity Assay, Plasma

Monitoring coagulation factor replacement therapy of selected extended half-life coagulation factor replacements Aiding in the diagnosis of hemophilia A using a 2-stage assay, especially when the 1-stage assay result was normal

CTXBS - Overview: Cerebrotendinous Xanthomatosis, Blood Spot

Evaluating patients with a clinical suspicion of cerebrotendinous xanthomatosis (CTX) using dried blood spot specimens Monitoring individuals with CTX on chenodeoxycholic acid (CDCA) therapy This test is not useful for the...

CHIKC - Overview: Chikungunya Virus, PCR, Molecular Detection, Spinal Fluid

Qualitative detection of chikungunya virus in cerebrospinal fluid after early symptom onset (ideally <7 days) This test is not recommended for screening healthy patients.

ENTP - Overview: Enterovirus, Molecular Detection, PCR, Plasma

Aiding in diagnosing enterovirus infections using plasma specimens This test should not be used to screen asymptomatic patients.

Site Search

Problem-Solving Thinking: An Overview of DMAIC, A3, and PDSA - Insights

PACE/State of FL - What problem-solving thinking is, as well as an overview of what DMAIC, A3, and PDSA problem-solving approaches are to support your quality and continuous improvement journey....

MayoLINK Overview Video - Mayo Clinic Laboratories

MayoLINK Overview Video - Mayo Clinic Laboratories Share Print

FISH probe & panel project: An overview - Insights

In this month's "Hot Topic," Jess Peterson, M.D., discusses changes to Mayo Clinic Laboratories’ hematology FISH menu to increase awareness, provide reasoning, and highlight some of the great things that are coming.

Lab Billing, Coding, and Compliance: A 2025 Overview - Insights

PACE/State of FL - Critical topics essential for laboratory billing, coding, and compliance.

MGLE - Overview: Myasthenia Gravis/Lambert-Eaton Myasthenic Syndrome Evaluation, Serum

Confirming the autoimmune basis of a defect in neuromuscular transmission (eg, myasthenia gravis [MG], Lambert-Eaton myasthenic syndrome [LEMS]) Distinguishing LEMS from autoimmune forms of MG Providing a quantitative autoantibody...