GABA - Overview: Gabapentin, Serum

Monitoring serum gabapentin concentrations Assessing compliance Adjusting dosage in patients

OMHC - Overview: Oxcarbazepine Metabolite, Serum

Monitoring serum concentration during oxcarbazepine therapy Assessing compliance Assessing potential toxicity

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...

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

TOPI - Overview: Topiramate, Serum

Monitoring serum concentrations of topiramate Assessing compliance Assessing potential toxicity

EEST - Overview: Estradiol, Serum

All applications that require moderately sensitive measurement of estradiol: -Evaluation of hypogonadism and oligo-amenorrhea in females -Assessing ovarian status, including follicle development, for assisted reproduction protocols (eg, in...

DESG3 - Overview: Desmoglein 3 (DSG3) Immunostain, Technical Component Only

Classification of squamous cell carcinomas

CYTH1 - Overview: T-Helper Cell Type 1 Cytokine Panel, Plasma

Assessment of plasma cytokine levels to understand the etiology of autoimmune and proinflammatory conditions when used in conjunction with clinical information and other laboratory testing

CLOBZ - Overview: Clobazam and Metabolite, Serum

Monitoring clobazam therapy

TRYPP - Overview: Tryptophan, Plasma

Investigating inadequate tryptophan intake and monitoring dietary treatment

ESTF - Overview: Estrogens, Estrone (E1) and Estradiol (E2), Fractionated, Serum

Simultaneous high-sensitivity determination of serum estrone and estradiol levels Situations requiring either higher sensitivity estradiol measurement, estrone measurement, or both, including -As part of the diagnosis and workup of...

PU1 - Overview: PU.1 Immunostain, Technical Component Only

Classification of lymphomas

BPAB - Overview: Bullous Pemphigoid, BP180 and BP230, IgG Antibodies, Serum

Initial screening test in the diagnosis of bullous pemphigoid and its variants Complementing the standard serum test of indirect immunofluorescence utilizing primate esophagus substrate and primate salt-split skin substrate (CIFS /...

RNAP - Overview: RNA Polymerase III Antibodies, IgG, Serum

Evaluating patients suspected of having systemic sclerosis as part of systemic sclerosis criteria antibody tests Providing diagnostic and prognostic information in patients with systemic sclerosis

FFRWB - Overview: Friedreich Ataxia, Frataxin, Quantitative, Blood

Diagnosing individuals with Friedreich ataxia in whole blood specimens Monitoring frataxin levels in patients with Friedreich ataxia This test is not useful for carrier detection.

HL58R - Overview: HLA-B*5801 Genotype, Allopurinol Hypersensitivity, Varies

Identifying individuals with an increased risk of severe cutaneous adverse reactions to allopurinol based on the presence of the human leukocyte antigen HLA-B*58:01 allele

FFRBS - Overview: Friedreich Ataxia, Frataxin, Quantitative, Blood Spot

Diagnosing individuals with Friedreich ataxia in blood spot specimens Monitoring frataxin levels in patients with Friedreich ataxia This test is not useful for carrier detection.

SCL70 - Overview: Scl 70 Antibodies, IgG, Serum

Evaluating patients with clinical features of systemic sclerosis and in the differential evaluation of individuals at-risk for connective tissue disease with Hep-2 substrate antinuclear antibody positive result, preferably using antinuclear...

HGEMS - Overview: Hydroxyglutaric Acids, Glutaric Acid, Ethylmalonic Acid, and Methylsuccinic Acid, Serum

Evaluation of patients with an abnormal newborn screen showing elevations of glutarylcarnitine (C5-DC) using serum specimens Evaluation of patients with abnormal newborn screens showing elevations of C4- acylcarnitine to aid in the...

HGEMP - Overview: Hydroxyglutaric Acids, Glutaric Acid, Ethylmalonic Acid, and Methylsuccinic Acid, Plasma

Evaluation of patients with an abnormal newborn screen showing elevations of glutarylcarnitine (C5-DC) using plasma specimens Evaluation of patients with abnormal newborn screens showing elevations of C4- acylcarnitine to aid in the...

CMA - Overview: Centromere Antibodies, IgG, Serum

Evaluating patients with features of systemic autoimmune rheumatic disease, particularly systemic sclerosis, Sjogren's syndrome, or overlap disease Aiding in the phenotypic stratification of patients with systemic sclerosis (limited...

HGEM - Overview: Hydroxyglutaric Acids, Glutaric Acid, Ethylmalonic Acid, and Methylsuccinic Acid, Blood Spot

Evaluation of patients with an abnormal newborn screen showing elevations of glutarylcarnitine (C5-DC) using dried blood spot specimens Evaluation of patients with abnormal newborn screens showing elevations of C4-acylcarnitine to aid in...

ALKT - Overview: ALK Mutation Analysis, Next-Generation Sequencing, Tumor

Identifying mutations within the ALK gene that predict resistance to ALK-inhibitors

CPR - Overview: C-Peptide, Serum

Diagnostic workup of hypoglycemia: -Diagnosis of factitious hypoglycemia due to surreptitious administration of insulin -Evaluation of possible insulinoma -Surrogate measure for the absence or presence of physiological suppressibility of...

RETF - Overview: Lung Cancer, RET (10q11) Rearrangement, FISH, Tissue

Identifying RET gene rearrangements in patients with late-stage, lung adenocarcinomas that are negative for epidermal growth factor receptor mutations and anaplastic lymphoma kinase rearrangements Fluorescence in situ hybridization (FISH)...

SPBX - Overview: Epidermal Nerve Fiber Density Consultation, Varies

Investigating polyneuropathies

AFXN - Overview: Friedreich Ataxia, Repeat Expansion Analysis, Varies

Molecular confirmation of clinically suspected Friedreich ataxia

GA2P - Overview: Glutaric Aciduria Type II Gene Panel, Varies

Follow up for abnormal biochemical results suggestive of glutaric acidemia type II Establishing a molecular diagnosis for patients with glutaric acidemia type II Identifying variants within genes known to be associated with glutaric...