Albumin commonly exists in the blood and is filtered by the kidneys. The presence or absence of albumin determines the functionality of the kidneys. It is said that small quantities of albumin leak into the urine when the kidneys do not function properly. This condition is known as microalbuminuria. A microalbumin test diagnosis urine for the presence of albumin.
24-Hour excretion: <30 mg/24 hours
Excretion rate: <20 mcg/min