What are Urine Erythrocytes?

Urine erythrocytes are red blood cells (RBCs) found in the urine.‍ Normally, only a very small amount or none at all should be present.‍ When detected in higher amounts, it often signals microscopic or visible bleeding somewhere along the urinary tract—ranging from the kidneys and ureters to the bladder and urethra.

What does it assess?

The presence of erythrocytes in urine helps assess for conditions like urinary tract infections (UTIs), kidney stones, trauma, or inflammation of the urinary system.‍ In some cases, it may also point to more serious issues such as glomerulonephritis or urinary tract tumors.‍ This marker is commonly used in combination with protein, leukocytes, or casts for a more complete renal evaluation.

How do I optimize my Urine Erythrocyte levels?

There is no direct way to “optimize” urine erythrocyte levels, as they are typically a sign of an underlying condition rather than a nutrient-driven biomarker.‍ However, maintaining good urinary tract health—through adequate hydration, reducing salt and processed foods, avoiding bladder irritants like caffeine and alcohol, and preventing infections—can reduce risk factors that lead to blood in urine.

What do high and low Urine Erythrocyte levels mean?

Elevated urine erythrocytes (hematuria) may indicate bleeding caused by infections, kidney stones, vigorous exercise, or trauma.‍ In some cases, persistent or unexplained hematuria requires further imaging or cystoscopy to rule out more serious causes like tumors.‍ Low or absent levels are considered normal and typically mean the urinary system is not experiencing any active bleeding.