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Serum-separating tube (SST): Tube inversions promote clotting. Most chemistry, endocrine and serology tests, including hepatitis and HIV. Orange Clot activator and serum separating gel [5] Rapid serum-separating tube (RST). Dark green Sodium heparin (anticoagulant) Chromosome testing, HLA typing, ammonia, lactate: Light green Lithium heparin ...
Vacutainer tubes may contain additives designed to stabilize and preserve the specimen prior to analytical testing. Tubes are available with a safety-engineered stopper, with a variety of labeling options and draw volumes. The color of the top indicates the additives in the vial. [1] Vacutainer tubes were invented by Joseph Kleiner in 1949. [2]
These tubes should be used with care when measuring drug or hormone levels because the drug or hormone may diffuse from the serum into the gel, causing a reduction in measured level. The gel in SST II tubes (which appears slightly less opaque) is supposed [weasel words] to have less effect on drug levels in serum. [citation needed]
Normal A1C for people without diabetes is below 5.6 percent, Dr. Peterson says. Levels between 5.7 percent and 6.5 percent suggest prediabetes, and an A1C of 6.5 percent or higher puts you in the ...
There are several ways to measure glycated hemoglobin, of which HbA1c (or simply A1c) is a standard single test. [5] HbA1c is measured primarily to determine the three-month average blood sugar level and is used as a standard diagnostic test for evaluating the risk of complications of diabetes and as an assessment of glycemic control .
A1C: glycated hemoglobin (hemoglobin A1c) Aa. arteria, see Artery: Aag: abdominal aortic aneurysm (pronounced "triple-A") AAD: antibiotic-associated diarrhea: AAI: acute arterial insufficiency: AAPMC: antibiotic-associated pseudomembranous colitis: AAT: activity as tolerated atypical antibody test AAL: anterior axillary line: AAOx3
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The first, still in use in some places, is a chemical method exploiting the nonspecific reducing property of glucose in a reaction with an indicator substance that changes color when reduced. Since other blood compounds also have reducing properties (e.g., urea, which can be abnormally high in uremic patients), this technique can produce ...
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