白蛋白尿(Albuminuria)是一种病理状态，其中血清白蛋白是存在于尿中。它是蛋白尿的类型之一。

尿液呈现浓厚的白色泡沫。

Albuminuria is a pathological condition wherein the protein albumin is abnormally present in the urine. It is a type of proteinuria. Albumin is one type of plasma protein found in the urine in normal subjects and in larger quantity in patients with kidney disease. For a number of reasons, clinical terminology is changing to focus on albuminuria rather than proteinuria.