Red Blood Cells (Urine)
The urine RBC test counts the number of red blood cells in a urine sample under a microscope. Healthy urine normally contains very few red blood cells.
Category: Urinalysis
Also known as: urine rbc, urine red blood cells, rbc urine, urine erythrocytes
Reference range: 0–2 /HPF (Source: ABIM)
Standard unit: /HPF
High values may indicate
High urine RBC (hematuria) may indicate kidney stones, urinary tract infection, glomerulonephritis, bladder or kidney cancer, or trauma to the urinary tract.
Low values may indicate
Low or absent urine RBC is normal and indicates no significant bleeding in the urinary tract.
Frequently asked questions
- What is a normal Red Blood Cells (Urine) level?
- A typical reference range for Red Blood Cells (Urine) is 0–2 /HPF (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Red Blood Cells (Urine) measured in?
- Red Blood Cells (Urine) is most commonly reported in /HPF. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Red Blood Cells (Urine) reference ranges come from?
- BloodId uses ABIM standard reference ranges and educational information from MedlinePlus (see our methodology). Reference ranges still vary by lab, age, and sex, so always compare against your own report.
- Can I track Red Blood Cells (Urine) over time?
- Yes. Upload results from any lab and BloodId charts your Red Blood Cells (Urine) over time against its reference range, so you can see whether the trend is rising, falling, or stable.
Related biomarkers
Source: MedlinePlus, U.S. National Library of Medicine
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