PKLRZ - Overview: PKLR Full Gene Analysis, Varies

Aiding in the diagnosis of pyruvate kinase (PK) deficiency Ascertaining a causative variant in the PKLR gene of patients with low or relatively low levels of erythrocytic PK enzymatic activity Ascertaining carrier status of family members...

TBBS - Overview: Quantitative Lymphocyte Subsets: T, B, and Natural Killer (NK) Cells, Blood

Serial monitoring of CD4 T-cell count in patients who are HIV-positive Follow-up and diagnostic evaluation of primary immunodeficiencies, including severe combined immunodeficiency Immune monitoring following immunosuppressive therapy...

PQNU - Overview: Porphyrins, Quantitative, 24 Hour, Urine

Preferred screening test for congenital erythropoietic porphyria and porphyria cutanea tarda and during symptomatic periods for acute intermittent porphyria, hereditary coproporphyria, and variegate porphyria when specimen transport will be...

TREGS - Overview: T-Cell Subsets, Regulatory (Tregs), Blood

Evaluating patients with clinical features of IPEX (immune dysregulation, polyendocrinopathy, enteropathy, X-linked inheritance) and other primary immunodeficiencies, autoimmune diseases, allergy and asthma, and graft-vs-host disease...

META3 - Overview: Metanephrines with 3-Methoxytyramine, 24 Hour, Urine

A first- and second-tier screening test for the presumptive diagnosis of catecholamine-secreting pheochromocytomas and paragangliomas

BABPB - Overview: Babesia species, Molecular Detection, PCR, Blood

Initial screening or confirmatory testing for suspected babesiosis during the acute febrile stage of infection in patients from endemic areas, especially when Giemsa-stained peripheral blood smears do not reveal any organisms, or the...

CMVQN - Overview: Cytomegalovirus (CMV) DNA Detection and Quantification by Real-Time PCR, Plasma

Detection and quantification of cytomegalovirus (CMV) viremia Monitoring CMV disease progression and response to antiviral therapy

2B6Q - Overview: Cytochrome P450 2B6 Genotype, Varies

Aiding in determining therapeutic strategies for drugs that are metabolized by cytochrome P450 (CYP) 2B6 Providing information relevant to bupropion, efavirenz, ketamine, methadone, and nevirapine, as well as other medications metabolized...

DTABS - Overview: Diphtheria/Tetanus Antibody Panel, Serum

Assessing antibody response to tetanus and diphtheria toxoid vaccines, which should be performed at least 3 weeks after immunization Aiding in the evaluation of immunodeficiency This test should not be used to diagnose tetanus infection

EBVQN - Overview: Epstein-Barr Virus DNA Detection and Quantification, Plasma

Diagnosis of Epstein-Barr virus (EBV)-associated infectious mononucleosis in individuals with equivocal or discordant EBV serologic marker test results Diagnosis of post-transplant lymphoproliferative disorders (PTLD), especially in...