RIVAR - Overview: Rivaroxaban, Anti-Xa, Plasma

Measuring rivaroxaban concentration in selected clinical situations (eg, kidney insufficiency, assessment of compliance, periprocedural measurement of drug concentration, suspected overdose, advanced age, and extremes of body weight)

FRIFA - Overview: Rifampin Level (PKRIF)

Rifampin Level (PKRIF)

MEV1 - Overview: Methemoglobinemia Evaluation, Blood

Diagnosis of methemoglobinemia and sulfhemoglobinemia and possible hereditary (congenital) causes Differentiation of methemoglobinemia and sulfhemoglobinemia from other causes of cyanosis (eg, congenital heart disease)

MCKCP - Overview: MayoComplete Kidney Cancer Panel, Next-Generation Sequencing, Tumor

Identifying specific mutations to assist in tumor diagnosis/classification Assisting in the clinical management of patients with renal cell carcinoma Assessment of microsatellite instability for immunotherapy decisions

FMME - Overview: Mahi Mahi IgE

Mahi Mahi IgE

TBSP - Overview: Mycobacterium tuberculosis Complex Species Identification, PCR, Varies

Determining the species of a Mycobacterium tuberculosis complex culture isolate

FFMSS - Overview: Maternal Serum Screening, Integrated, Specimen #1, PAPP-A, NT

Helpful to identify pregnancies at increased risk of having a child with Down Syndrome (DS), open neural tube defects (ONTD) and trisomy 18 (T18). This test is not diagnostic.

MNS - Overview: Manganese, Serum

Monitoring manganese exposure using serum specimens Nutritional monitoring

MLHPB - Overview: MLH1 Hypermethylation Analysis, Blood

As an adjunct to positive hypermethylation in tumor to distinguish between somatic and germline hypermethylation As an adjunct to negative MLH1 germline testing in cases where colon or endometrial tumor demonstrates microsatellite...

SGTF - Overview: MYB (6q23) Rearrangement FISH, Tissue

Assessing for MYB gene rearrangements in patients with primary salivary gland carcinoma to aid in confirming or excluding the diagnosis of primary salivary gland adenoid cystic carcinomas

MNRCU - Overview: Manganese/Creatinine Ratio, Random, Urine

Monitoring manganese exposure using random urine specimens Nutritional monitoring Clinical trials

MCRPL - Overview: Macroprolactin, Serum

Determining biologically active levels of prolactin, in asymptomatic patients with elevated prolactin levels Ruling out the presence of macroprolactin

MELAI - Overview: Melaleuca leucadendron, IgE, Serum

Establishing a diagnosis of an allergy to Melaleuca leucadendrony Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm...

MSPP - Overview: Mosquito Species, IgE, Serum

Establishing a diagnosis of an allergy to mosquito species Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm...

MYC - Overview: MYC Immunostain, Technical Component Only

Assessment of MYC expression

MYOGE - Overview: Myogenin Immunostain, Technical Component Only

Marker of skeletal muscle differentiation

META3 - Overview: Metanephrines with 3-Methoxytyramine, 24 Hour, Urine

A first- and second-tier screening test for the presumptive diagnosis of catecholamine-secreting pheochromocytomas and paragangliomas

MYOGL - Overview: Myoglobin Immunostain, Technical Component Only

Marker of skeletal and cardiac muscle

LCMSP - Overview: Microsporidia species, Molecular Detection, PCR, Varies

Detecting Enterocytozoon bieneusi and Encephalitozoon species in fecal and urine specimens to support the clinical diagnosis of microsporidiosis

MYOD1 - Overview: Myogenic Differentiation Antigen 1 (MYOD1) Immunostain, Technical Component Only

Marker of skeletal muscle differentiation

ZW51 - Overview: Miscellaneous Quest Testing

Miscellaneous Quest Testing

MARJ - Overview: Marjoram, IgE, Serum

Establishing the diagnosis of an allergy to marjoram Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm sensitization...

MOLD1 - Overview: Mold Panel, Serum

Establishing a diagnosis of an allergy to mold Defining the allergen responsible for eliciting signs and symptoms Identifying allergens: -Responsible for allergic response and/or anaphylactic episode -To confirm sensitization prior to...

ZW59 - Overview: Misc Esoterix Endocrinology

Misc Esoterix Endocrinology

FHSAG - Overview: MVista Histoplasma Ag Quantitative, Spinal Fluid

MVista Histoplasma Ag Quantitative, Spinal Fluid

MEVI - Overview: Methemoglobinemia Interpretation

Interpretation of the methemoglobinemia evaluation results Diagnosis of methemoglobinemia and sulfhemoglobinemia and possible hereditary (congenital) causes Differentiation of methemoglobinemia and sulfhemoglobinemia from other causes of...

FMELG - Overview: Melons IgG

Melons IgG

MEV0 - Overview: Methemoglobin Summary Interpretation

Incorporating and summarizing subsequent results into an overall interpretation for the MEV1 / Methemoglobinemia Evaluation, Blood

ZW53 - Overview: Miscellaneous Baylor Institute of Metabolic Disease

Miscellaneous Baylor Institute of Metabolic Disease

MNB - Overview: Manganese, Blood

Evaluation of central nervous system symptoms, similar to Parkinson disease, in manganese (Mn) miners and processors Characterization of liver cirrhosis Therapeutic monitoring in treatment of cirrhosis, parenteral nutrition-related Mn...

ZW58 - Overview: Miscellaneous Duke University

Miscellaneous Duke University

MNCU - Overview: Manganese/Creatinine Ratio, Urine

Measurement of manganese as a part of a profile Monitoring manganese exposure Nutritional monitoring Clinical trials

ZW57 - Overview: Miscellaneous Esoterix Coagulation

Miscellaneous Esoterix Coagulation

SCGCV - Overview: Neisseria gonorrhoeae, Self-Collect, Amplified RNA, Vaginal

Detecting Neisseria gonorrhoeae using vaginal swabs collected by the patient in a healthcare setting This test is not intended for use in medico-legal applications.

FNALO - Overview: Naloxone - Total (Conjugated/Unconjugated), Screen, Urine

Naloxone - Total (Conjugated/Unconjugated), Screen, Urine

FNMEN - Overview: Neisseria Meningitidis IgG Vaccine Response

Neisseria Meningitidis IgG Vaccine Response

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

NEGCT - Overview: Negative Control, Technical Component Only

Qualitative detection of protein expression within cells in paraffin-embedded tissues

NTC3Z - Overview: NOTCH3 Gene, Full Gene Analysis, Varies

Establishing a molecular diagnosis in individuals with features of cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy (CADASIL) and NOTCH3-related disorders Identifying disease-causing variants...

NICOU - Overview: Nicotine and Metabolites, Random, Urine

Monitoring tobacco use Monitoring patients on nicotine-replacement therapy for concurrent use of tobacco products

QNKS - Overview: Natural Killer (NK)/Natural Killer T-Cell Subsets, Quantitative, Blood

Quantitation of the major natural killer (NK)-cell subsets relative to total NK cells (NK cell subsets) or total lymphocytes (NK T cells) Assessment in the following clinical contexts: HIV, primary immune deficiencies with NK cell...

FINA - Overview: NAbFeron (IFNB-1) Neutralizing Antibody Test

Detection of antibodies to interferon-B-1

NADF - Overview: Newborn Aneuploidy Detection, FISH, Blood

Screening for chromosomal aneuploidies of chromosomes 13, 18, 21, X, and Y in newborn peripheral blood specimens

NTRKM - Overview: NTRK Genes Mutation Analysis, Next-Generation Sequencing, Tumor

Identifying NTRK mutations that may predict resistance to Trk inhibitors

FRAG - Overview: Osmotic Fragility, Erythrocytes

Evaluating suspected hereditary spherocytosis-associated hemolytic anemia Confirming or detecting mild spherocytosis

NCDCS - Overview: Neurochondrin Antibody, Cell-Binding Assay, Serum

Evaluating neurochondrin-IgG by cell-binding assay using serum from patients presenting with cerebellar and brainstem syndrome

NSFIB - Overview: Nonalcoholic Steatohepatitis (NASH)-FibroTest, Serum and Plasma

Diagnosis and the follow-up of liver fibrosis, steatosis, and inflammation Estimating hepatic fibrosis Assessing inflammation for metabolic diseases Assessing severity of nonalcoholic steatohepatitis (NASH) in patients with...

NITF - Overview: Nitrogen, Total, Feces

Determining nitrogen balance, when used in conjunction with 24-hour urine nitrogen measurement Assessing nutritional status (protein malnutrition) Evaluating protein catabolism

NITU - Overview: Nitrogen, Total, 24 Hour, Urine

Assessing nutritional status (protein malnutrition) Assessment of protein nutrition and nitrogen balance in hospitalized patients Evaluating protein catabolism Determining nitrogen balance, when used in conjunction with 24-hour fecal...

NF2F - Overview: Neurofilament (2F11) Immunostain, Technical Component Only

Aiding in the identification of neoplastic cells of neural origin or those exhibiting neuronal differentiation