21OH - Overview: 21-Hydroxylase Antibodies, Serum

Investigating adrenal insufficiency Aiding in the detection of those at risk of developing autoimmune adrenal failure in the future

VALPF - Overview: Valproic Acid, Free, Serum

Monitoring free valproic acid in therapy Assessing compliance Evaluating potential toxicity

VLTB - Overview: Volatile Screen, Blood

Detection and quantitation of acetone, methanol, isopropanol, and ethanol in whole blood Quantification of the concentration of ethanol in blood that correlates with the degree of intoxication Evaluation of toxicity to the measured...

VALPA - Overview: Valproic Acid, Total, Serum

Monitoring total valproic acid in therapy Assessing compliance Evaluating potential toxicity

CD21 - Overview: CD21 Immunostain, Technical Component Only

Identification of follicular dendritic cells and a subset of mantle zone lymphocytes

PTSC - Overview: Prothrombin Time (PT), Plasma

Screening to identify a deficiency of one or more of the clotting factors of the extrinsic coagulation system (I, II, V, VII, X) due to hereditary deficiency or acquired conditions such as liver disease, vitamin K deficiency, or a specific...

UPHB - Overview: pH, Body Fluid

Indicating the presence of infections or fistulas Verifying the effectiveness of treatment to reduce stomach pH Diagnosing disease states characterized by abnormal stomach acidity This test is not appropriate for measurement of...

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

T46CC - Overview: Tripartite Motif-Containing Protein 46 (TRIM46) IgG, Cell Binding Assay, Spinal Fluid

Detecting tripartite motif-containing protein 46 (TRIM46)-IgG by cell-binding assay using cerebrospinal fluid specimens Evaluation of an autoimmune/paraneoplastic neurological syndrome among patients presenting with cerebellar ataxia,...

TLUCR - Overview: Thallium/Creatinine Ratio, Random, Urine

Detecting toxic thallium exposure in random urine specimens

HSTNI - Overview: Troponin I, High Sensitivity, Plasma

Excluding the diagnosis of acute coronary syndromes Explaining troponin T elevations related to skeletal myopathy and/or assay interferences

THEVI - Overview: Hemoglobinopathy Interpretation

Interpretation of results for the evaluation of thalassemias and hemoglobinopathies Evaluation of microcytosis Extensive and economical diagnosis and classification of hemoglobinopathies or thalassemia including complex...

EXHR - Overview: Hematologic Disorders, DNA and RNA Extract and Hold, Varies

Reserving nucleic acids on any specimen for which molecular analysis requiring DNA or RNA may be necessary at a future date, ensuring that adequate material for testing is available

EXHD - Overview: Hematologic Disorders, DNA Extract and Hold, Varies

Reserving DNA on any specimen for which molecular analysis requiring DNA may be necessary at a future date, ensuring that adequate material for testing is available

GENTA - Overview: Gentamicin, Trough, Serum

Monitoring adequacy of drug clearance during gentamicin therapy

GGT - Overview: Gamma-Glutamyltransferase (GGT), Serum

Diagnosing and monitoring hepatobiliary disease, it is currently the most sensitive enzymatic indicator of liver disease Ascertaining whether observed elevations of alkaline phosphatase are due to skeletal disease (normal...

FLUOX - Overview: Fluoxetine, Serum

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

GBETH - Overview: General Factor Bethesda Units, Plasma

Detecting and quantifying the presence and titer of a specific factor inhibitor directed against a specific coagulation factor

GPI1 - Overview: Glucose Phosphate Isomerase Enzyme Activity, Blood

The evaluation of individuals with Coombs-negative chronic hemolysis

GD65C - Overview: Glutamic Acid Decarboxylase (GAD65) Antibody Assay, Spinal Fluid

Possible use in evaluating patients with autoimmune encephalitis, stiff-person syndrome, autoimmune ataxia, autoimmune epilepsy, and other acquired central nervous system disorders affecting gabaminergic neurotransmission

TULI - Overview: Francisella tularensis Antibody, IgM and IgG, Technical Interpretation, Serum

Interpretation to aid in the diagnosis of tularemia caused by Francisella tularensis

GENPA - Overview: Gentamicin, Peak, Serum

Monitoring adequacy of drug clearance during gentamicin therapy

GENRA - Overview: Gentamicin, Random, Serum

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

GQ1ES - Overview: Ganglioside GQ1b Antibody, IgG, ELISA, Serum

Evaluating patients with an underlying demyelinating neuropathy Supporting the diagnosis of a ganglioside GQ1b IgG-related disorder

GABA - Overview: Gabapentin, Serum

Monitoring serum gabapentin concentrations Assessing compliance Adjusting dosage in patients

LD - Overview: Lactate Dehydrogenase (LDH), Serum

Investigation of a variety of diseases involving the heart, liver, muscle, kidney, lung, and blood Monitoring changes in tumor burden after chemotherapy; lactate dehydrogenase elevations in patients with cancer are too erratic to be of use...

IRF8 - Overview: Interferon Regulatory Factor 8 (IRF8) Immunostain, Technical Component Only

Identification of monoblasts in acute monoblastic/monocytic leukemia and chronic myelomonocytic leukemia

LEFLU - Overview: Leflunomide Metabolite (Teriflunomide), Serum

Therapeutic monitoring of patients actively taking leflunomide Assessment of elimination in patients requiring enhanced elimination of the drug

LEIS - Overview: Leishmaniasis (Visceral) Antibody, Serum

Aiding in the diagnosis of active visceral leishmaniasis This test should not be used as the sole criteria for diagnosis.

ACE - Overview: Angiotensin Converting Enzyme, Serum

Evaluation of patients with suspected sarcoidosis

MMLRG - Overview: Antimicrobial Susceptibility, Acid-Fast Bacilli, Rapidly Growing, Varies

Determination of susceptibility of rapidly growing mycobacteria to the antimicrobial agents on the test panel

ASB - Overview: Arsenic, Blood

Detecting acute or very recent arsenic exposure Monitoring the effectiveness of therapy This test is not useful for evaluation of chronic arsenic exposure.

ANNEX - Overview: Annexin-1 Immunostain, Technical Component Only

Classification of leukemias

APTTP - Overview: Activated Partial Thromboplastin Time, Plasma

Monitoring heparin therapy (unfractionated heparin) Screening for certain coagulation factor deficiencies Detection of coagulation inhibitors such as lupus anticoagulant, specific factor inhibitors, and nonspecific inhibitors

ADLTX - Overview: Adulterants Survey, Chain of Custody, Random, Urine

Assess the possible adulteration of a urine specimen submitted for drug of abuse testing Providing the urine creatinine concentration for normalization purposes Chain of custody is required whenever the results of testing could be used...

BRIVA - Overview: Brivaracetam, Plasma

Assessing compliance and toxicity for brivaracetam

BRUTA - Overview: Brucella Total Antibody Confirmation, Agglutination, Serum

Diagnosis of brucellosis

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

CRTFR - Overview: Creatinine, Random, Urine

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

CYSR - Overview: Cystinuria Profile, Quantitative, Random, Urine

Biochemical diagnosis of cystinuria using random urine specimens

MTHX - Overview: Methotrexate, Serum

Determining whether methotrexate is being cleared appropriately and verifying that a nontoxic concentration has been attained following therapy

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

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

NF4FS - Overview: Neurofascin-155 IgG4, Flow Cytometry, Serum

Evaluating patients with an underlying demyelinating neuropathy Diagnosis of a neurofascin-155 IgG4 mediated neuropathy

OMHC - Overview: Oxcarbazepine Metabolite, Serum

Monitoring serum concentration during oxcarbazepine therapy Assessing compliance Assessing potential toxicity

SEMA3 - Overview: Semaphorin 3B (SEMA3B) Immunostain, Technical Component Only

Aiding in the diagnosis of semaphorin 3B-associated membranous nephropathy

SPNEU - Overview: Streptococcus pneumoniae Antigen, Random, Urine

Rapid diagnosis of pneumococcal pneumonia

MONOF - Overview: Monocyte Repartition by CD14/CD16, Blood

Aiding in the diagnosis and monitoring of chronic myelomonocytic leukemia

AATHI - Overview: Thrombophilia Profile Interpretation

Interpretation of testing performed as part of a profile to evaluate patients with thrombosis or hypercoagulability states including detecting a lupus-like anticoagulant; dysfibrinogenemia; disseminated intravascular...

TAKRO - Overview: Tacrolimus, Blood

Monitoring whole blood tacrolimus concentration during therapy, particularly in individuals coadministered cytochrome P450 (CYP) 3A4 substrates, inhibitors, or inducers Adjusting dose to optimize immunosuppression while minimizing...