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Test Details Synonyms Inorganic Phosphate, Blood Use Causes of high phosphorus: Youth; exercise; dehydration and hypovolemia; high phosphorus content enema; acromegaly; hypoparathyroidism; pseudohypoparathyroidism; bone metastases; hypervitaminosis D; sarcoidosis; milk-alkali syndrome; liver

Test Details Use Evaluate electrolyte balance; followed patients on diuretic therapy and with renal diseases, particularly salt-losing nephropathy; evaluate patients being treated for acidosis; prevent cardiac arrhythmias; evaluate alcoholism with delirium tremens; evaluate and treat ketoacidosis

Test Details Synonyms hCG Quantitative Human Chorionic Gonadotropin (hCG), Beta Subunit, Quantitative Use Immunoassay for the in vitro quantitative determination of the sum of human chorionic gonadotropin (hCG) plus the hCG beta-subunit in human serum and plasma.1 This assay is intended for

Test Details Use Establish the presence of a functioning corpus luteum or luteal cell function; confirm basal body temperature measurements for the occurrence of ovulation; obtain an indication of the day of ovulation; evaluate the functional state of the corpus luteum in infertility patients; assess

Test Details Use First test for work-up of galactorrhea (inappropriate lactation). Pituitary function test useful in the detection of prolactin-secreting pituitary tumors (microadenomas, macroadenomas) with or without galactorrhea, with or without structural evidence of sellar enlargement. An adult

Test Details Synonyms PSA, Serum Use Prostate-specific antigen (PSA) is a glycoprotein produced by the epithelial cells lining the prostatic ducts and acini. Normally, it is secreted into the prostatic ducts and is present only in prostate tissue, prostatic fluid, and seminal plasma. PSA is

Test Details Use Evaluate nutritional status; investigate edema. In the entities which follow, the diseases listed are sometimes increased or decreased as indicated, but are not always so. Causes of high total protein: dehydration; some cases of chronic liver disease, including chronic active hepatitis

Test Details Synonyms Activated Partial Thromboplastin Time (aPTT) and Prothrombin Time (PT) PT and aPTT PT and PTT Test Includes Activated partial thromboplastin time (aPTT); international normalized ratio (INR); prothrombin time (PT)

Test Details Synonyms Prothrombin Time Assay Protime PT Test Includes International normalized ratio (INR); prothrombin time. Use Evaluation of the extrinsic coagulation system; aid in screening for congenital and acquired deficiencies of factors II, V, VII, X, and fibrinogen.6-8 This test

Test Details Synonyms Activated Partial Thromboplastin Time (aPTT). Use The aPTT is sensitive to deficiency or inhibition of factors in the intrinsic pathway. These include the contact factors; high molecular weight kininogen (HMWK), prekallikrein, and factor XII along with procoagulant factors

Test Details Synonyms Interferon-gamma Release Assay (IGRA) for Mycobacterium tuberculosis Use The QuantiFERON®-TB Gold test is an in vitro assay to aid in the diagnosis of both latent and active infection with Mycobacterium tuberculosis.

Test Includes Reticulocytes are expressed as a percentage in a total of 1000 RBCs. Use Evaluate erythropoietic activity which is increased in acute and chronic hemorrhage, and hemolytic anemias; evaluate erythropoietic response to antianemic therapy. Additional Information Reticulocytes