Red blood cells (RBC) can be present in urine even when they are not visible to a person. Also known as hematuria, RBC in urine can indicate an infection, kidney disease, and other health conditions.

RBCs: In theory, there is no detectable blood in normal urine, but RBCs may be seen, even in healthy individuals. An RBC count ≥3/hpf in two of three urine samples is usually accepted as hematuria.

Occult blood is when you can’t see blood in your urine with your eye and it’s only visible under a microscope. You may need antibiotics or different treatments depending on the infection or other ...

You may have hematuria due to an infection, such as a urinary tract infection, or recent sexual activity. Long-term conditions, such as viral hepatitis, can also cause red blood cells in your pee. Red ...

Urine microscopy is an important adjunct to the urinalysis. The findings of cells, casts or crystals can aid in urinalysis interpretation and in making a more accurate diagnosis. Since the formed ...

Microscopic examination of the urine sediment is an important tool for the diagnosis and management of renal and genitourinary disease. 1,2 Photomicrographs of urine are useful both for teaching this ...

Urine microscopy is a time-honored, readily available and commonly used noninvasive test to aid clinicians in discriminating between different forms of acute kidney injury. However, the diagnostic and ...

Haematuria is the presence of red blood cells in the urine. Haematuria may indicate serious underlying problems such as cancer. There is no clear relationship between the amount of bleeding and the ...

Blood in urine, known as haematuria, can signal kidney cancer. This symptom, whether visible or microscopic, demands immediate medical attention. While common causes like infections exist, persistent ...