Protein (Urine)
The urine protein test measures the amount of protein in your urine. Healthy kidneys filter waste but keep protein in the blood; protein in urine can signal kidney damage.
Category: Urinalysis
Also known as: urine protein, protein urine, urinary protein, urine total protein
Reference range: 0–14 mg/dL (Source: ABIM)
Standard unit: mg/dL
High values may indicate
High urine protein (proteinuria) may indicate kidney disease, diabetes, hypertension, urinary tract infection, preeclampsia, or multiple myeloma.
Low values may indicate
Low or absent urine protein is normal and indicates healthy kidney filtration.
Frequently asked questions
- What is a normal Protein (Urine) level?
- A typical reference range for Protein (Urine) is 0–14 mg/dL (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Protein (Urine) measured in?
- Protein (Urine) is most commonly reported in mg/dL. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Protein (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 Protein (Urine) over time?
- Yes. Upload results from any lab and BloodId charts your Protein (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
Analyze your Protein (Urine) with AI