SP263 - Overview: Programmed Death-Ligand 1 (PD-L1) (SP263), Semi-Quantitative Immunohistochemistry, Manual

Identification of neoplasms expressing programmed cell death 1-ligand 1 (clone SP263)

PFKC - Overview: Phosphofructokinase Enzyme Activity, Blood

Evaluation of individuals with Coombs-negative nonspherocytic hemolytic anemia Evaluation of individuals with exercise intolerance or myopathy Genetic studies in families with phosphofructokinase deficiency

POU_F - Overview: Phosphorus, Feces

Workup of cases of chronic diarrhea Identifying the use of phosphate-containing laxatives contributing to osmotic diarrhea

TLU - Overview: Thallium, 24 Hour, Urine

Detecting toxic thallium exposure in 24-hour urine collections

ZNCU - Overview: Zinc/Creatinine Ratio, Urine

Measurement of zinc concentration as a part of identifying the cause of abnormal serum zinc concentrations using a random urine specimen

BHCG - Overview: Beta-Human Chorionic Gonadotropin, Quantitative, Serum

Monitoring patients for retained products of conception Aiding in the diagnosis of gestational trophoblastic disease (GTD), testicular tumors, ovarian germ cell tumors, teratomas, and, rarely, other human chorionic gonadotropin...

B2GMG - Overview: Beta-2 Glycoprotein 1 Antibodies, IgG and IgM, Serum

Evaluating patients with suspected antiphospholipid syndrome by identification of beta-2 glycoprotein 1 IgM and IgG antibodies First-line test when antiphospholipid syndrome is strongly suspected in conjunction with cardiolipin antibodies...

GCT - Overview: Galactosemia Reflex, Blood

Preferred test for diagnosis, carrier detection, and determination of genotype of galactose-1-phosphate uridyltransferase deficiency, the most common cause of galactosemia Differentiating Duarte variant galactosemia from classic...

MCM24 - Overview: Mast Cell Mediators, 24 Hour, Urine

Evaluating patients at risk for mast cell activation syndrome (eg, systemic mastocytosis) using 24-hour urine collections

MCLIP - Overview: Phospholipid (Cardiolipin) Antibodies, IgM, Serum

The following clinical situations, when used in conjunction with other criterial antiphospholipid antibody tests: -Unexplained arterial or venous thrombosis -A history of pregnancy morbidity defined as 1 or more unexplained deaths of a...