GENRA - Overview: Gentamicin, Random, Serum

Monitoring adequacy of serum concentration during gentamicin therapy in specimens for which no collection timing information is provided

VEDOL - Overview: Vedolizumab Quantitation with Reflex to Antibodies, Serum

Assessing the response to therapy with vedolizumab An aid to achieving desired trough serum concentration of vedolizumab

DULOX - Overview: Duloxetine, Serum

Monitoring duloxetine serum concentration during therapy Evaluating potential duloxetine toxicity Evaluating patient compliance

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

FLUC - Overview: 5-Flucytosine, Serum

Monitoring serum concentration during therapy Evaluating potential toxicity May aid in evaluating patient compliance

CINP - Overview: Cortisol, Mass Spectrometry, Serum

Second-order testing when cortisol measurement by immunoassay (eg, CORT / Cortisol, Serum) gives results that are not consistent with clinical symptoms, or if patients are known to, or suspected of, taking exogenous synthetic steroids...

K11CS - Overview: Kelch-Like Protein 11 Antibody, Cell Binding Assay, Serum

Evaluating patients with paraneoplastic or autoimmune encephalitis (brainstem encephalitis or limbic encephalitis or cerebellar ataxia) using serum specimens

IOD - Overview: Iodine, Serum

Determining iodine overload using serum specimens Monitoring iodine levels in individuals taking iodine-containing drugs

VEDOZ - Overview: Vedolizumab Quantitation with Antibodies, Serum

Assessing for primary or secondary loss of response to therapy with vedolizumab An aid to achieving desired serum concentrations of vedolizumab

DESPR - Overview: Desipramine, Serum

Monitoring serum concentration of desipramine during therapy Evaluating potential desipramine toxicity May aid in evaluating patient compliance

PNEFS - Overview: Neuroimmunology Antibody Follow-up, Serum

Monitoring patients who have previously tested positive for one or more antibodies within the past 5 years in a Mayo Neuroimmunology Laboratory serum evaluation

ALBS1 - Overview: Albumin, Serum

Assessing nutritional status Aiding in the diagnosis of multiple sclerosis when used in conjunction with serum IgG, and cerebrospinal fluid IgG and albumin concentrations

CARU - Overview: Cyclic Adenosine Monophosphate (cAMP), Urinary Excretion, Serum and Urine

Differential diagnosis of hypercalcemia As an adjunct to serum parathyroid hormone measurements, especially in the diagnosis of parathyroid hormone resistance states, such as pseudohypoparathyroidism

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

CLOM - Overview: Clomipramine, Serum

Determining whether a poor therapeutic response is attributable to noncompliance Monitoring serum concentration of clomipramine and norclomipramine to assist in optimizing the administered dose

LAMO - Overview: Lamotrigine, Serum

Monitoring serum concentration of lamotrigine Assessing compliance Adjusting lamotrigine dose in patients receiving other anticonvulsant drugs that interact pharmacokinetically with lamotrigine

LEVE - Overview: Levetiracetam, Serum

Monitoring serum concentration of levetiracetam, particularly in patients with kidney disease Assessing compliance with levetiracetam therapy Assessing potential toxicity of levetiracetam

APBTS - Overview: Adaptor Protein 3 Beta2 (AP3B2) Antibody, Tissue Immunofluorescence Titer, Serum

The differential diagnosis of patients presenting with mixed cerebellar and sensory ataxia and myeloneuropathy Reporting an end titer result from serum specimens

CRDPS - Overview: Creatine Disorders Panel, Serum

Evaluating patients with a clinical suspicion of arginine:glycine amidinotransferase deficiency,guanidinoacetate methyltransferase deficiency, and creatine transporter deficiency using serum specimens

HCVRP - Overview: Hepatitis C Virus (HCV) RNA Detection and Quantification, Real-Time Reverse Transcription-PCR, Prenatal, Serum

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...

AMTRP - Overview: Amitriptyline and Nortriptyline, Serum

Monitoring amitriptyline and nortriptyline serum concentrations during therapy Evaluating potential amitriptyline and nortriptyline toxicity May aid in evaluating patient compliance

DEXA - Overview: Dexamethasone, Serum

Confirming the presence of dexamethasone in serum Confirming the cause of secondary adrenal insufficiency This test is not useful as the sole basis for a diagnosis or treatment decisions.

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.

CHIKS - Overview: Chikungunya Virus, PCR, Molecular Detection, Serum

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

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

AC1Q - Overview: Anti-C1q Antibodies, IgG, Serum

Evaluating patients with suspected anti-C1q vasculitis Predicting renal involvement in patients with systemic lupus erythematosus Detection of anti-C1q antibodies in serum

PDEIS - Overview: Phosphodiesterase 10A (PDE10A) IgG, Tissue Immunofluorescence, Serum

Detecting phosphodiesterase 10A (PDE10A)-IgG in serum specimens Evaluation of autoimmune/paraneoplastic neurological syndromes among patients presenting with movement disorders and encephalopathy

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

AN2TS - Overview: Antineuronal Nuclear Antibody Type 2 (ANNA-2) Titer, Serum

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...

PIPA - Overview: Pipecolic Acid, Serum

Differentiating between disorders of peroxisomal biogenesis (eg, Zellweger syndrome) and disorders with loss of a single peroxisomal function Detecting abnormal elevations of pipecolic acid in serum

AN3TS - Overview: Antineuronal Nuclear Antibody Type 3 (ANNA-3) Titer, Serum

Evaluating patients who present with a subacute neurological disorder of undetermined etiology and have risk factors for primary lung carcinoma Reporting an end titer result from serum specimens

MPSER - Overview: Mucopolysaccharides Quantitative, Serum

Quantification of dermatan sulfate, heparan sulfate, and keratan sulfate in serum to support the biochemical diagnosis of mucopolysaccharidoses types I, II, III, IV, VI, or VII

MDS2 - Overview: Movement Disorder, Autoimmune/Paraneoplastic Evaluation, Serum

Evaluating patients with suspected paraneoplastic or other autoimmune movement disorders including patients with ataxia, brainstem encephalitis, chorea, dyskinesias, myoclonus, and parkinsonism using serum specimens

CARNS - Overview: Carnitine, Serum

Evaluation of patients with a clinical suspicion of a wide range of conditions including organic acidemias, fatty acid oxidation disorders, and primary carnitine deficiency using serum specimens

CMMPS - Overview: Cobalamin, Methionine, and Methylmalonic Acid Pathways, Serum

Screening and monitoring patients suspected of or confirmed with an inherited disorder of methionine, cobalamin, or propionate metabolism using serum specimens Evaluating individuals with suspected deficiency of vitamin B12

FELBA - Overview: Felbamate (Felbatol), Serum

Determining whether a poor therapeutic response is attributable to noncompliance or lack of drug effectiveness Monitoring changes in serum concentrations resulting from interactions with coadministered drugs such as barbiturates and...

MMAS - Overview: Methylmalonic Acid, Quantitative, Serum

Evaluating children with signs and symptoms of methylmalonic acidemia using serum specimens Evaluating individuals with signs and symptoms associated with a variety of causes of vitamin B12 (cobalamin) deficiency

PDETS - Overview: Phosphodiesterase 10A (PDE10A) IgG, Tissue Immunofluorescence Titer, Serum

Reporting an end titer result from phosphodiesterase 10A (PDE10A) in serum specimens Evaluation of autoimmune/paraneoplastic neurological syndromes among patients presenting with movement disorders and encephalopathy

SPPS - Overview: Stiff-Person Spectrum Disorders Evaluation, including Progressive Encephalomyelitis with Rigidity and Myoclonus, Serum

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 serum specimens

HCVQN - Overview: Hepatitis C Virus (HCV) RNA Detection and Quantification by Real-Time Reverse Transcription-PCR, Serum

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...

LACO - Overview: Lacosamide, Serum

Monitoring serum concentrations of lacosamide to ensure compliance and appropriate dosing in specific clinical conditions (ie, severe kidney impairment, mild-to-moderate hepatic impairment, and kidney failure)

SPPSI - Overview: Stiff-Person Spectrum Disorders, including Progressive Encephalomyelitis with Rigidity and Myoclonus, Interpretation, Serum

Interpretation for the evaluation of stiff-person spectrum disorders including the classical or focal forms, such as stiff-limb or stiff-trunk, and progressive encephalomyelitis with rigidity and myoclonus, using serum specimens

HTGR - Overview: Thyroglobulin, Tumor Marker Reflex, Serum

Reporting of accurate thyroglobulin results, depending on the antithyroglobulin antibodies status of the patient Accurate measurement of serum thyroglobulin in patients with known or suspected antithyroglobulin autoantibodies or possible...

AGAS - Overview: Alpha-Galactosidase, Serum

Diagnosis of Fabry disease in male patients Preferred screening test (serum) for Fabry disease This test is not useful for patients undergoing a work up for a meat or meat-derived product allergy.

PC1TS - Overview: Purkinje Cell Cytoplasmic Antibody Type 1 (PCA-1) Titer, Serum

Identifying female patients whose subacute cerebellar degeneration or peripheral neuropathy is due to a remote (autoimmune) effect of gynecologic or breast carcinoma Reporting an end titer result from serum specimens

T46IS - Overview: Tripartite Motif-Containing Protein 46 (TRIM46) IgG, Tissue Immunofluorescence, Serum

Detecting tripartite motif-containing protein 46 (TRIM46)-IgG in serum specimens Evaluation of an autoimmune/paraneoplastic neurological syndrome among patients presenting with cerebellar ataxia, encephalitis, or encephalomyelitis

PTH2 - Overview: Parathyroid Hormone, Serum

Diagnosis and differential diagnosis of hypercalcemia Diagnosis of primary, secondary, and tertiary hyperparathyroidism Diagnosis of hypoparathyroidism Monitoring kidney failure patients for possible renal osteodystrophy

APBCS - Overview: Adaptor Protein 3 Beta2 (AP3B2) Antibody, Cell-Binding Assay, Serum

The differential diagnosis of patients presenting with mixed cerebellar and sensory ataxia and myeloneuropathy Evaluating AP3B2 (adaptor protein 3 beta2)-IgG by cell-binding assay using serum specimens

GLYCS - Overview: Glycine Receptor Alpha1 IgG, Cell Binding Assay, Serum

Evaluating patients with suspected autoimmune stiff-person spectrum disorders (stiff-person syndrome, stiff-limb, stiff trunk or progressive encephalomyelitis with rigidity and myoclonus [PERM]) using serum specimens

SSA - Overview: SS-A/Ro Antibodies, IgG, Serum

Evaluating patients at-risk for connective tissue disease with or without interstitial lung disease Detection of both anti-SS-A 52 (Ro52) and SS-A 60 (Ro60) antibodies in serum