Cholesterol, Total

Cholesterol, Total

Price $29
Test Benefits

Evaluate lipid status and metabolic disorders. High levels of cholesterol that reflect high levels of HPLs may be caused by an inherited defect in lipoprotein metabolism, by disease of the endocrine system, by liver disease, or by renal disease. Low levels of cholesterol in the plasma may reflect an inherited deficiency of either LDL or HDL, or they may reflect impairment of liver function. Various hormone conditions are also related to cholesterol levels. Increased serum cholesterol in hypothyroid persons shows an increased LDL and decreased HDL. Low cholesterols are found in cases of hyperthyroidism, severe liver disease, pernicious anemia, and with increased estrogens. Pregnancy is accompanied by a moderate increase. Cholesterol is increased in early hepatitis, obstructed bile ducts, primary biliary cirrhosis, nephrotic syndrome, and diabetic meningitis. Finally, through much controversy, it appears that cholesterol is implicated in atherosclerosis and heart disease. Evaluate risk of coronary arterial occlusion, atherosclerosis, myocardial infarction, and complications including the demise of the patient.Increased in primary hypercholesterolemia, secondary hyperlipoproteinemias including nephrotic syndrome, hypothyroidism, primary biliary cirrhosis, and some cases of diabetes mellitus. Low levels have been found in cases of malnutrition, malabsorption, hyperthyroidism, myeloma, macroglobulinemia of Waldenstr?m, polycythemia vera, myeloid metaplasia, myelofibrosis, chronic myelocytic leukemia, analphalipoproteinemia (Tangier disease), abetalipoproteinemia (Bassen-Kornzweig syndrome) (acanthocytosis), and in some individuals who subsequently present with carcinoma. Levy points out that the weak inverse relationship with cancer, mostly colon carcinoma, is limited to cholesterol levels <190 mg/dL and is limited to men.1 Hypocholesterolemia may occur with sideroblastic anemia or in the thalassemias.Cholesterol relates to coronary heart disease risk.2 Since premature mortality from coronary arterial disease is rampant and since cholesterol levels are available as a test which can detect a modifiable risk factor, serum cholesterol remains a critical and genuinely newsworthy topic and an important test. Effective intervention is available when cholesterol studies identify subjects likely to benefit, asymptomatic persons as well as those with recognized coronary disease.

Description

Evaluate lipid status and metabolic disorders.

Special Instruction

No special preparation required for this test.

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