Albumin is a type of protein and small amounts of albumin in the urine is the condition called microalbuminuria.
When excessive levels of albumin in urine are detected for prolonged periods, then it is indicative of a medical condition known as albuminuria. In general, increased quantities of different types of blood protein in urine is referred to as proteinuria. Albumin levels in Urine – Normal, High. The levels of albumin in urine in healthy people are generally in the range within 0 to 8 mg/dl. Urine samples accumulated over a time frame of 24 hours should not have albumin levels in excess of 150 mg. Read more about normal albumin levels. Microalbuminuria is a term to describe a moderate increase in the level of urine albumin. It occurs when the kidney leaks small amounts of albumin into the urine, in other words, when there is an abnormally high permeability for albumin in the glomerulus of the kidney.  Albuminuria. Albumin is a protein. Albuminuria (Al-byoo-mih-noo-ree-uh) is having too much protein in the urine. This is sometimes referred to as microalbuminuria which indicates a slightly high level of protein in the urine. Overt proteinuria or macroalbuminuria indicates more than 300mg of albumin in the urine per day Persistently high levels of albumin in urine are indicative of a pathological condition called albuminuria. In general, the presence of excessive amounts of serum proteins in urine is medically referred to as proteinuria. Under normal circumstances, the large-sized proteins cannot pass through glomeruli. Albumin in Urine. The presence of large amounts of albumin in urine is indicative of malfunctioning kidneys. In this article, we would be looking into the causes, symptoms and treatment of this pathological condition. Advertisement. Proteins have often been referred to as the building blocks of the body A normal amount of albumin in your urine is less that 20 mg a day. A normal total protein amount in your urine is less that 150 mg a day. If your test shows high levels of urine albumin, or a rise in urine albumin, it could mean you have kidney damage or disease. This test looks for a protein called albumin in your urine. The test is used to check for kidney damage or disease. Albumin helps to keep the right amount of fluid moving through your body. Albumin is a type of protein found in large amounts in the blood. Because it is a small molecule in size, it is one of the first proteins able to pass through the kidneys into the urine when there are kidney problems. This presence of small amounts of albumin in the urine is the condition called microalbuminuria.  The urine albumin test or albumin/creatinine ratio (ACR) is used to screen people with chronic conditions, such as diabetes and high blood pressure (hypertension) that put them at an increased risk of developing kidney disease. Most of the time, both albumin and creatinine are measured in a random urine sample and an albumin/creatinine ratio (ACR) is calculated. This may be done to more accurately determine how much albumin is escaping from the kidneys into the urine. Guide. An albumin test checks urine for a protein called albumin. Albumin is normally found in the blood and filtered by the kidneys. When the kidneys are working as they should, there may be a very small amount of albumin in the urine. But when the kidneys are damaged, abnormal amounts of albumin leak into the urine. This is called albuminuria. 
http://symptomstreatment.org/albumin-in-urine/ https://en.wikipedia.org/wiki/Microalbuminuria https://www.kidney.org/atoz/content/albuminuria http://www.buzzle.com/articles/albumin-in-urine.html http://www.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=167&ContentID=albumin_urine http://my.clevelandclinic.org/health/diagnostics/hic-urine-protein-test https://labtestsonline.org/understanding/analytes/microalbumin/tab/test http://www.webmd.com/diabetes/microalbumin-urine-test
what is albumin in urine