<unk>  occurs when the kidney leaks small amounts of albumin into the urine, in other words,  when there is an abnormally high permeability[disambiguation needed] for albumin in the renal glomerulus.
Microalbuminuria
BUN-to-creatinine ratio
Blood urea nitrogen
Serum-ascites albumin gradient
Creatinine clearance
Uric acid
Glomerular filtration rate
Erythrocyte sedimentation rate