LGBWB - Overview: Globotriaosylsphingosine, Blood

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

GAB1 - Overview: GRB2-Associated Binding Protein 1 (GAB1) Immunostain, Technical Component Only

Identification and differentiation of medulloblastomas

GLUCG - Overview: Glucagon Immunostain, Technical Component Only

Aiding in the study of islet-cell tumors and some endocrine tumors of the gastrointestinal tract

GATAB - Overview: GATA-Binding Protein 3 Immunostain, Technical Component Only, Bone Marrow,

Characterizing carcinomas, including primary bladder and breast carcinomas, and some types of mesenchymal and neuroectodermal tumors

GLUTS - Overview: Glutamine Synthetase Immunostain, Technical Component Only

Classification of hepatic adenomas and the identification of focal nodular hyperplasia

GLUT - Overview: GLUT-1 Immunostain, Technical Component Only

Identification of erythrocytes in various normal and neoplastic tissues

HBZ - Overview: Human T-cell Lymphotropic Virus Type 1 (HTLV-1) bZIP Factor (HBZ), In Situ Hybridization, Technical Component Only

Diagnosing adult T-cell leukemia/lymphoma

GLYCS - Overview: Glycine Receptor Alpha1 IgG, Cell Binding Assay, Serum

Evaluating patients with suspected autoimmune stiff-person spectrum disorders (stiff-person syndrome, stiff-limb, stiff trunk or progressive encephalomyelitis with rigidity and myoclonus [PERM]) using serum specimens

GATOL - Overview: Galactitol, Quantitative, Urine

Monitoring effectiveness of treatment in patients with galactosemia Establishing a baseline level prior to initiating treatment for galactosemia

IHCFH - Overview: Fumarate Hydratase Immunostain, Technical Component Only

Identifying fumarate hydratase-deficient neoplasms Supporting the diagnosis of an atypical smooth muscle tumor over leiomyosarcoma