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

PETH - Overview: Phosphatidylethanol Confirmation, Blood

Verifying abstinence or use of ethanol, especially in liver transplant candidates/patients

PRMB - Overview: Primidone and Phenobarbital, Serum

Assessing compliance Monitoring for appropriate therapeutic levels of primidone and phenobarbital Assessing toxicity

PNYA - Overview: Phenytoin, Total, Serum

Monitoring for appropriate therapeutic concentration Assessing compliance or toxicity

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)

P5NT - Overview: Pyrimidine 5' Nucleotidase, Blood

Evaluation of marked basophilic stippling Evaluation of hemolytic anemia

PCAB - Overview: Parietal Cell Antibodies, IgG, Serum

Evaluating patients suspected of having pernicious anemia or autoimmune-mediated deficiency of vitamin B12 with or without megaloblastic anemia

UPH24 - Overview: pH, 24 Hour, Urine

Assessment of patients with metabolic acidosis, crystalluria, as well as monitoring the effectiveness of alkalinization or acidification of urine for certain medical conditions (eg, treatment of uric acid nephrolithiasis) using a 24-hour...

PHOS - Overview: Phosphorus (Inorganic), Serum

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

SFZ - Overview: Sulfamethoxazole, Serum

Monitoring sulfamethoxazole therapy to ensure drug absorption, clearance, or compliance

STFR - Overview: Soluble Transferrin Receptor (sTfR), Serum

Evaluation of suspected iron deficiency in patients who may have inflammation, infection, or chronic disease and other conditions in which ferritin concentration does not correlate with iron status, including: -Cystic fibrosis patients who...

SULFU - Overview: Sulfate, 24 Hour, Urine

Assessing the nutrition intake of animal protein The calculation of urinary supersaturation of various crystals or stones

ROTA - Overview: Rotavirus Antigen, Feces

Investigation of patients with diarrhea, particularly infants, the elderly, and immunocompromised patients Investigation of nosocomial diarrhea

T46CC - Overview: Tripartite Motif-Containing Protein 46 (TRIM46) IgG, Cell Binding Assay, Spinal Fluid

Detecting tripartite motif-containing protein 46 (TRIM46)-IgG by cell-binding assay using cerebrospinal fluid specimens Evaluation of an autoimmune/paraneoplastic neurological syndrome among patients presenting with cerebellar ataxia,...

TRYPA - Overview: Tryptase, Autopsy, Serum

Evaluation of autopsy cases in which anaphylaxis in the context of allergen exposure or mast cell activation is a suspected cause of death

TRPS - Overview: Troponin T, 5th Generation, Plasma

Aiding in the exclusion of the diagnosis of acute coronary syndrome in a single plasma specimen Aiding in the diagnosis of acute coronary syndrome Monitoring acute coronary syndromes and estimating prognosis Possible utility in...

SPAGR - Overview: Special Red Cell Antigen Typing, Whole Blood

Additional proof of alloantibody specificity Determining possible antibody specificities in complex cases This test is not useful for the purpose of establishing paternity

SORD - Overview: Sorbitol and Xylitol, Quantitative, Random, Urine

Screening for sorbitol dehydrogenase deficiency-related neuropathy

TRIG1 - Overview: Triglycerides, Serum

Managing atherosclerotic cardiovascular disease risk

FRT4 - Overview: T4 (Thyroxine), Free, Serum

Evaluating suspected thyroid function disorders using free thyroxine measured together with thyroid-stimulating hormone

TOXCG - Overview: Toxocara Antibody, IgG, Serum

Aiding in the diagnosis of Toxocara infection

TLU - Overview: Thallium, 24 Hour, Urine

Detecting toxic thallium exposure in 24-hour urine collections

TGLBF - Overview: Triglycerides, Body Fluid

Distinguishing between chylous and nonchylous effusions Measurement of triglycerides in body fluids as a surrogate for chylomicrons

C5B9 - Overview: SC5b-9 Level Terminal Complement Complex, Plasma

Detecting increased complement activation

STLPC - Overview: St. Louis Encephalitis Antibody Panel, IgG and IgM, Spinal Fluid

Aiding the diagnosis of St. Louis encephalitis using spinal fluid specimens

TB2LN - Overview: Susceptibility, Mycobacterium tuberculosis Complex, Second Line, Varies

Determination of Mycobacterium tuberculosis complex minimal inhibitory concentrations to second-line antimicrobial agents

SUDC - Overview: Sudden Cardiac Death Pathology Consultation

Identifying specific causes contributing to sudden cardiac death

TRYPP - Overview: Tryptophan, Plasma

Investigating inadequate tryptophan intake and monitoring dietary treatment

TIS - Overview: Titanium, Serum

Monitoring metallic prosthetic implant wear

CYTH1 - Overview: T-Helper Cell Type 1 Cytokine Panel, Plasma

Assessment of plasma cytokine levels to understand the etiology of autoimmune and proinflammatory conditions when used in conjunction with clinical information and other laboratory testing

TACPK - Overview: Tacrolimus, Peak, Blood

Assessment of postdosing (peak) blood tacrolimus concentrations

SSX18 - Overview: Synovial Sarcoma Panel, Technical Component Only

Aiding in distinguishing synovial sarcomas from similar sarcomas

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

TIBC - Overview: Total Iron Binding Capacity, Serum

Screening for chronic iron overload diseases, particularly hereditary hemochromatosis

BTIA1 - Overview: T-Cell Intracellular Antigen 1 (TIA-1) Immunostain, Bone Marrow, Technical Component Only

Characterizing neoplasms of cytotoxic T cells or natural killer cells

CSP53 - Overview: TP53 Gene Somatic Mutation Pre-Analysis Cell Sorting, Varies

Determination of B-cell content and confirmation the presence of a clonal B-cell population evaluating chronic lymphocytic leukemia patients prior to TP53 variant analysis

RPRT2 - Overview: Rapid Plasma Reagin Titer, Serum

Determining the current disease status Monitoring response to therapy for syphilis This test cannot be used for testing spinal fluid specimens.

RHUT - Overview: Rheumatoid Factor, Serum

Diagnosis and prognosis of rheumatoid arthritis

SEMA3 - Overview: Semaphorin 3B (SEMA3B) Immunostain, Technical Component Only

Aiding in the diagnosis of semaphorin 3B-associated membranous nephropathy

SCERG - Overview: Saccharomyces cerevisiae Antibody, IgG, Serum

Measuring IgG anti-Saccharomyces cerevisiae antibodies as a part of a profile to aid in distinguishing between ulcerative colitis and Crohn disease in patients for whom the specific diagnosis is unclear based on endoscopic, pathologic, and...

FER - Overview: Semen Analysis, Semen

Determining male fertility status

SIIRO - Overview: Sirolimus, Whole Blood

Monitoring whole blood sirolimus concentration during therapy, particularly in individuals coadministered cytochrome P450 (CYP) 3A4 substrates, inhibitors, or inducers Adjusting dose to optimize immunosuppression while minimizing...

NAU - Overview: Sodium, 24 Hour, Urine

Assessing acid-base balance, water balance, water intoxication, and dehydration

TRK - Overview: Tropomyosin Receptor Kinase (TRK) Immunostain, Technical Component Only

Helpful in the screening for neurotrophic tyrosine receptor kinase (NTRK) rearranged tumors

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...

UEBF - Overview: Urea Nitrogen, Body Fluid

Identifying the presence of urine as a cause for accumulation of fluid in a body compartment Assessing adequacy of peritoneal dialysis treatment protocols

TLUCR - Overview: Thallium/Creatinine Ratio, Random, Urine

Detecting toxic thallium exposure in random urine specimens

VITA - Overview: Vitamin A, Serum

Diagnosing vitamin A deficiency and toxicity Monitoring vitamin A therapy

URIC - Overview: Uric Acid, Serum

Diagnosis and treatment of renal failure Monitoring patients receiving cytotoxic drugs and a variety of other disorders, including gout, leukemia, psoriasis, starvation and other wasting conditions

VLTB - Overview: Volatile Screen, Blood

Detection and quantitation of acetone, methanol, isopropanol, and ethanol in whole blood Quantification of the concentration of ethanol in blood that correlates with the degree of intoxication Evaluation of toxicity to the measured...