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Test Details Test Includes Percentage CD4+; absolute CD4+; percentage CD8+; absolute CD8+; CD4:CD8 ratio; CBC with differential Additional Information HIV-1 infection results in a decrease of CD4 T cells, an increase of CD8 T cells, a decrease in the CD4:CD8 ratio, and a progressive destruction

Test Details Use This assay is intended for the in vitro quantitative determination of carcinoembryonic antigen in human serum and plasma.1 The Elecsys CEA assay is further indicated for serial measurement of CEA to aid in the management of cancer patients. The main indication for CEA determinations

Test Details Synonyms CO2 TCO2 Use Evaluate the total carbonate buffering system in the body, acid-base balance. High results may represent respiratory acidosis with CO2 retention, or metabolic alkalosis (eg, prolonged vomiting). Low value may indicate respiratory alkalosis as in hyperventilation

Test Details Use Work-up for coma, pancreatitis and other gastrointestinal problems, nephrolithiasis, polydipsia, polyuria, azotemia, multiple endocrine adenomatosis. Causes of high calcium: Hyperparathyroidism − look also for high ionized calcium, measured or calculated. Hyperparathyroidism may

Test Details Test Includes Quantitative concentration of CRP (mg/L) in serum Use CRP is an acute phase reactant, which can be used as a test for inflammatory diseases, infections, and neoplastic diseases. Progressive increases correlate with increases of inflammation/injury. CRP is a more sensitive,

Test Details Synonyms Cardiac C-Reactive Protein (CRP) High-sensitivity CRP Use Measurement of CRP by high sensitivity CRP assays may add to the predictive value of other markers used to assess the risk of cardiovascular and peripheral vascular disease.

Test Details Use Causes of high bilirubin: Liver disease: hepatitis, cholangitis, cirrhosis, other types of liver disease (including primary or secondary neoplasia); alcoholism (usually with high AST (SGOT), GGT, MCV, or some combination of these findings); biliary obstruction (intrahepatic or extrahepatic);

Test Details Use Evaluate liver and biliary disease. Increased direct bilirubin occurs with biliary diseases, including both intrahepatic and extrahepatic lesions. Hepatocellular causes of elevation include hepatitis, cirrhosis, and advanced neoplastic states. Increased with cholestatic drug reactions,

Test Details Synonyms Serum Glutamic Oxaloacetic Transaminase SGOT Transaminases Use A wide range of disease entities alters AST (SGOT), with origin from many organs. When an increased AST is from the liver, it is more likely to relate to disease of the hepatocyte. Other enzymes, including alkaline

Test Details Synonyms ANA Direct Use Detect antibodies to nuclear antigens.

Test Details Use Work-up for abdominal pain, epigastric tenderness, nausea, and vomiting. Such findings characterize acute pancreatitis as well as acute surgical emergencies such as gastrointestinal perforation (eg, peptic ulcer with perforation) or bowel infarct. Amylase is used in the differential

Test Details Synonyms AFP, Serum Alpha-Fetoprotein (AFP), Serum, Tumor Marker Use The most important application of AFP testing in cancer management is for testicular cancer. Although not present in pure seminoma,1 elevated serum AFP is closely associated with nonseminomatous testicular cancer