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

TOXGP - Overview: Toxoplasma gondii Antibody, IgG, Serum

Determining whether a patient has had previous exposure to or recent infection with Toxoplasma gondii This test is not useful for diagnosing infection in infants younger than 6 months of age. In that age group, IgG antibodies usually are...

TPMT3 - Overview: Thiopurine Methyltransferase Activity Profile, Erythrocytes

Detection of individuals with low thiopurine methyltransferase (TPMT) activity who are at risk for excessive myelosuppression or severe hematopoietic toxicity when taking thiopurine drugs Detection of individuals with hyperactive TPMT...

GALE - Overview: Uridine Diphosphate-Galactose 4' Epimerase, Blood

Diagnosis of uridine diphosphate-galactose 4' epimerase deficiency

AVWPQ - Overview: von Willebrand Disease Profile Interpretation

Interpretation of testing performed as part of a profile for detection of deficiency or abnormality of von Willebrand factor (VWF) and related deficiency of factor VIII coagulant activity Interpretation of testing performed as part of a...

23BPT - Overview: 2,3-Dinor 11 Beta-Prostaglandin F2 Alpha, 24 Hour, Urine

Screening for mast cell activation disorders including systemic mastocytosis using 24-hour urine 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...

APBTC - Overview: Adaptor Protein 3 Beta2 (AP3B2) Antibody, Tissue Immunofluorescence Titer, Spinal Fluid

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

APBCC - Overview: Adaptor Protein 3 Beta2 (AP3B2) Antibody, Cell-Binding Assay, Spinal Fluid

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 spinal fluid specimens

ADULT - Overview: Adulterants Survey, Random, Urine

Assessment of possible adulteration of a urine specimen submitted for drug of abuse testing Providing the creatinine concentration for normalization purposes

BIWB - Overview: Bismuth, Blood

Determining bismuth toxicity

CRTFR - Overview: Creatinine, Random, Urine

Normalizing urinary analytes to account for the variation in urinary concentrations between individuals when using random urine collections

RCHLU - Overview: Chloride, Random, Urine

An indicator of fluid balance and acid-base homeostasis

CULAF - Overview: Culture for Genetic Testing, Amniotic Fluid

Producing amniocyte cultures that can be used for genetic analysis

CK - Overview: Creatine Kinase (CK), Serum

Diagnosing and monitoring myopathies or other trauma, toxin, or drug-induced muscle injury

CEASF - Overview: Carcinoembryonic Antigen (CEA), Spinal Fluid

Detecting meningeal carcinomatosis and intradural or extradural infiltration Differentiating brain parenchymal metastasis from adenocarcinoma or squamous-cell carcinoma

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...

AFOLR - Overview: Folate Receptor Alpha (FOLR1), Semi-Quantitative Immunohistochemistry, Manual

Diagnosis of epithelial ovarian cancer that may be eligible for treatment with an anti-folate receptor 1 protein antibody

CRETR - Overview: Creatinine, Random, Urine

Normalization of urinary analytes to account for the variation in urinary concentrations between individuals when using random urine collections

CHLE - Overview: Cholesteryl Esters, Serum

Establishing a diagnosis of lecithin-cholesterol acyltransferase deficiency Evaluating the extent of metabolic disturbance by bile stasis or liver disease

CLOBZ - Overview: Clobazam and Metabolite, Serum

Monitoring clobazam therapy

HCO3 - Overview: Bicarbonate, Serum

Diagnosis and treatment of acid-base imbalance in respiratory and metabolic systems

COKEU - Overview: Cocaine and Metabolite Confirmation, Random, Urine

Detecting and confirming drug abuse involving cocaine This test is not intended for employment-related testing.

CLD18 - Overview: Claudin 18 (CLDN18) (43-14A), Semi-Quantitative Immunohistochemistry, Manual

Identification of tumor cells expressing claudin 18 As an aid in screening patients who may be eligible for VYLOY (zolbetuximab) treatment

BILID - Overview: Bilirubin Direct, Serum

Evaluation of jaundice and liver functions

CIFST - Overview: Cutaneous Immunofluorescence Antibodies Titer, IgG, Serum

Confirmation of positive IgG anti-cell surface (CS) and anti-basement membrane zone (BMZ) antibodies.

HEXP - Overview: Iohexol, Plasma

Determining glomerular filtration rate in plasma specimens

KIBM - Overview: Ki-67(MIB-1), Breast, Semi-Quantitative Immunohistochemistry, Manual

Determining proliferation of tumor cells in paraffin-embedded tissue blocks from patients diagnosed with breast carcinoma

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)

FLUOX - Overview: Fluoxetine, Serum

Monitoring serum concentration of fluoxetine during therapy Evaluating potential toxicity Evaluating patient compliance

FL - Overview: Fluoride, Plasma

Assessing accidental fluoride ingestion Monitoring patients receiving sodium fluoride for bone disease or patients receiving voriconazole therapy

FENS - Overview: Fentanyl Screen, Random, Urine

Screening for drug abuse or use involving fentanyl

NCDTC - Overview: Neurochondrin Antibody, Tissue Immunofluorescence Titer, Spinal Fluid

Detecting neurochondrin-IgG in spinal fluid (CSF) from patients presenting with cerebellar and brainstem syndrome Reporting an end titer result from CSF specimens

MGS - Overview: Magnesium, Serum

Monitoring preeclampsia patients being treated with magnesium sulfate, although in most cases monitoring clinical signs (respiratory rate and deep tendon reflexes) is adequate and blood magnesium levels are not required

MAGES - Overview: Myelin-Associated Glycoprotein Autoantibodies, IgM, Serum

Evaluating peripheral neuropathy Evaluating paraproteinemic neuropathy

OLIGC - Overview: Oligoclonal Banding, Spinal Fluid

Diagnosis of multiple sclerosis; especially useful in patients with equivocal clinical presentation and radiological findings

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

OMHC - Overview: Oxcarbazepine Metabolite, Serum

Monitoring serum concentration during oxcarbazepine therapy Assessing compliance Assessing potential toxicity

KUR - Overview: Potassium, 24 Hour, Urine

Determining the cause for hyper- or hypokalemia

RCVBS - Overview: Recoverin-IgG Antibody, Immunoblot, Serum

Evaluating patients with suspected paraneoplastic retinopathy accompanying small cell carcinoma

POU - Overview: Phosphorus, 24 Hour, Urine

Evaluation of hypo- or hyper-phosphatemic states Evaluation of patients with nephrolithiasis

PENTS - Overview: Pentobarbital, Serum

Monitoring of pentobarbital therapy treatment

PALB - Overview: Prealbumin, Serum

Assessing nutritional status, especially in monitoring the response to nutritional support in the acutely ill patient

POU_F - Overview: Phosphorus, Feces

Workup of cases of chronic diarrhea Identifying the use of phosphate-containing laxatives contributing to osmotic diarrhea

SP7TC - Overview: Septin-7 Antibody, Tissue Immunofluorescence Titer, Spinal Fluid

Detecting septin-7 IgG in cerebrospinal fluid (CSF) specimens Reporting an end titer result from CSF specimens

THEO - Overview: Theophylline, Serum

Assessing and adjusting theophylline dosage for optimal therapeutic level Assessing theophylline toxicity

TPIC - Overview: Triosephosphate Isomerase Enzyme Activity, Blood

Evaluating individuals with chronic nonspherocytic hemolytic anemia Evaluating individuals with early onset neurologic impairment Genetic counseling for families with triosephosphate isomerase deficiency

RNAUR - Overview: Sodium, Random, Urine

Assessing acid-base balance, water balance, water intoxication, and dehydration

URCU - Overview: Uric Acid, 24 Hour, Urine

Assessment and management of patients with kidney stones, particularly uric acid stones