IGAS - Overview: IgA Subclasses, Serum

Investigation of immune deficiency due to IgA2 deficiency Evaluating patients with anaphylactic transfusion reactions

HVAR - Overview: Homovanillic Acid, Random, Urine

Screening children for catecholamine-secreting tumors using a random urine collection when requesting homovanillic acid only Monitoring neuroblastoma treatment Screening patients with possible inborn errors of catecholamine metabolism

GIAR - Overview: Giardia Antigen, Feces

Sensitive screening for the detection of Giardia antigens present in fecal specimens

FENTX - Overview: Fentanyl with Metabolite Confirmation, Chain of Custody, Random, Urine

Detection and confirmation of illicit drug use involving fentanyl Chain of custody is required whenever the results of testing could be used in a court of law. Its purpose is to protect the rights of the individual contributing the...

LGBBS - Overview: Globotriaosylsphingosine, Blood Spot

Screening of patients with Fabry disease using dried blood spots when a serum specimen is not available This test should not be used for newborn screening followup.

ESTS - Overview: Estradiol, Rapid, Immunoassay, Serum

Rapid assessment of ovarian status, including follicle development, for assisted reproduction protocols (eg, in vitro fertilization) Establishing time of ovulation and optimal time for conception

LGB3S - Overview: Globotriaosylsphingosine, Serum

Diagnosis and monitoring of Fabry disease

BFLA1 - Overview: Lipid Analysis, Body Fluid

Distinguishing between chylous and nonchylous effusions

LDLD - Overview: Low-Density Lipoprotein (LDL) Cholesterol, Beta-Quantification, Serum

Evaluation of cardiovascular risk Verification of estimated low-density lipoprotein cholesterol (LDL-C) in patients with hypertriglyceridemia or extremely low LDL-C Diagnosis of familial hypobetalipoproteinemia and abetalipoproteinemia

IGG - Overview: Immunoglobulin G (IgG), Serum

Detecting or monitoring of IgG monoclonal gammopathies and immune deficiencies