Urine Microalbumin

Other names: Urine microalbumin, Albumin-to-creatinine ratio (ACR)
Specimen: UrineAnalysis



Your Urine Microalbumin is

Normal microalbumin levels in urine usually range between 3-30 mg/L/24h, though levels vary according to age, sex and testing method; other factors can also affect urine albumin levels.

Microalbumin is a urine test that can provide early warning of kidney damage. The kidneys contain tiny blood vessel clusters that filter waste from your blood; diabetes and high blood pressure can damage this delicate filtering system. A microalbumin test can often detect the consequences of this damage in the initial stages, when prompt treatment might prevent kidney failure.
Albumin is the most abundant protein found in blood. When a person's kidneys begin to lose their ability to filter out and recycle proteins, however, tiny amounts of albumin leak into the urine (the test is called microalbumin because such tiny amounts of albumin are detected). Because the albumin protein is one of the first proteins to leak into the urine, its presence can serve as an early warning sign of kidney problems. As kidney damage or disease progresses, the amount of albumin in urine increases.
More than 26 million Americans age 20 or older (that's 1 in 8 adults) have chronic kidney disease (CKD) and more than 525,000 are currently receiving treatment for kidney failure (also called end-stage renal disease, or ESRD). This includes roughly 370,000 dialysis patients and 160,000 people with functioning kidney transplants (nearly 85,000 patients are waiting for transplants). CKD hits minority populations especially hard; the incidence of kidney failure per million people is 998 for African Americans, compared with 273 for white Americans.
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