T3FR - Overview: T3 (Triiodothyronine), Free, Serum

A second- or third-level test of thyroid function Confirmation of hyperthyroidism, supplementing the T4 (tetraiodothyronine), sensitive thyrotropin, and total T3 assays Evaluating clinically euthyroid patients who have an altered...

MSTC1 - Overview: Strict Criteria Sperm Morphology for Infertility Diagnosis and Treatment, Semen

Diagnosing male infertility Selecting the most cost-effective therapy for treating male-factor infertility Quantifying the number of germinal and WBCs per mL of semen

OTP - Overview: Orthopedia Homeobox Protein (OTP) Immunostain, Technical Component Only

Distinguishing lung carcinoid tumors from metastatic neuroendocrine tumors

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

PHOS - Overview: Phosphorus (Inorganic), Serum

Diagnosis and management of a variety of disorders including bone, parathyroid, and kidney disease

PTU - Overview: Protein, Total, 24 Hour, Urine

Evaluation of kidney disease using a 24-hour urine collection Screening for monoclonal gammopathy

PLAIF - Overview: Phospholipase A2 Receptor (PLA2R), Renal Biopsy

Distinguishing primary membranous nephropathy from secondary membranous nephropathy

PTSC - Overview: Prothrombin Time (PT), Plasma

Screening to identify a deficiency of one or more of the clotting factors of the extrinsic coagulation system (I, II, V, VII, X) due to hereditary deficiency or acquired conditions such as liver disease, vitamin K deficiency, or a specific...

PAX5 - Overview: PAX-5 Immunostain, Technical Component Only

Classification of lymphomas