PIPU - Overview: Pipecolic Acid, Random, Urine

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 urine

REVEI - Overview: Erythrocytosis Interpretation

Interpretation of Erythrocytosis Evaluation profile test Definitive, comprehensive, and economical evaluation of an individual with JAK2-negative erythrocytosis associated with lifelong sustained increased hemoglobin or hematocrit

BILHA - Overview: Schistosoma species Antibody, IgG, Serum

Detection of antibodies to Schistosoma species

C4FX - Overview: C4 Complement, Functional, Serum

Diagnosis of C4 deficiency Investigation of a patient with an undetectable total complement level

VIBC - Overview: Vibrio Culture, Feces

Determining whether Vibrio species may be the cause of diarrhea This test is generally not useful for patients that have been hospitalized for more than 3 days because the yield from these patients' specimens is very low, as is the...

EEEP - Overview: Eastern Equine Encephalitis Antibody, IgG and IgM, Serum

Aiding in the diagnosis of Eastern equine encephalitis using serum specimens

THCCR - Overview: Delta 9-Carboxy-Tetrahydrocannabinol (THC-COOH) Confirmation and Creatinine Ratio, Random, Urine

Measuring the delta-9 carboxy-tetrahydrocannabinol to creatinine ratio to detect use of tetrahydrocannabinol

T790M - Overview: Cell-Free DNA EGFR T790M Mutation Analysis, Blood

Determination of EGFR T790M mutation status in blood specimens as an alternative to invasive tissue biopsies Identification of patients with non-small cell lung cancer who harbor a T790M mutation and may benefit from specific EGFR-targeted...

DRPL - Overview: Dentatorubral-Pallidoluysian Atrophy (DRPLA) Gene Analysis, Varies

Confirming the diagnosis of dentatorubral-pallidoluysian atrophy (DRPLA) for symptomatic patients Predictive testing for individuals with a family history of DRPLA and a documented expansion in the ATN1 gene in an affected family member

PCTTS - Overview: Purkinje Cell Cytoplasmic Antibody Type Tr (PCA-Tr) Titer, Serum

Serological testing for Purkinje cell cytoplasmic antibody-Tr for patients with acquired cerebellar ataxia of undetermined etiology, particularly if the patient has a history of Hodgkin lymphoma Reporting an end titer result from serum...