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What Does Excess Protein in the Kidney Mean?

Published Aug,14 2017 | By Alison Dvorak

Excess protein in the kidney is called proteinuria. This is tested in the urine and can also be called albuminuria or urine albumin. Most proteins are too big to pass through the glomeruli, or the kidney filters. When these filters are damaged, the proteins show up in the urine.

Alison Dvorak is a registered dietitian with a Master of Science degree in nutrition science and bachelor's degrees in psychology and dietetics from Syracuse University. She has written articles and educational materials for the American Culinary Federation and Marriott International. Dvorak is a an evidence analyst for the American Dietetic Association and specializes in adult and elderly nutrition.