A reading of 30 mg/g of protein or less in urine is considered normal and not a cause for concern. However, higher levels can be a sign of kidney disease.

Proteinuria is an increased level of protein in the urine. We look at the causes of proteinuria, its connection with kidney damage, and more.

Depending on the amount of protein, different conditions can be searched for. Unsuspected diabetes, autoimmune diseases and some cancers all may cause protein in the urine.

Discover why bubbles in urine can be a common occurrence and when they may indicate serious health issues like proteinuria. Learn from Dr. Shirley Koeh about the causes, tests, and what factors to ...

In my experience as a general doctor, small amounts of protein in the urine are only infrequently serious. It’s not uncommon, especially when a person has been fasting for a lab draw.