What does urine protein 3 mean?

Urine protein 3 generally refers to urine protein 3+, indicating that there is a large amount of protein in urine.

Urine protein is also the protein contained in urine, which belongs to one of the detection indicators of urine routine. Under normal circumstances, human urine contains only a very small amount of protein, which cannot be detected by urine routine qualitative examination. However, if there is diabetic nephropathy, hypertensive nephropathy, pyelonephritis, interstitial nephritis or urinary system tumor, protein reabsorption disorders can be caused due to renal tubular function or structural damage, which can be excreted from urine and expressed as urine protein positive. In general, the more + urine protein shows, the more protein in urine, when it shows 3+, most of them are considered to be related to the above diseases.