Albumin (Urine)
The urine albumin test measures the amount of albumin protein in your urine. Small amounts of albumin in urine can be an early sign of kidney damage.
Category: Urinalysis
Also known as: urine albumin, urinary albumin, urine microalbumin, microalbumin urine
Reference range: 0–20 mg/L (Source: ABIM)
Standard unit: mg/L
High values may indicate
High urine albumin (albuminuria) may indicate early kidney disease, diabetic nephropathy, hypertension, heart failure, or lupus.
Low values may indicate
Low or undetectable urine albumin is normal and indicates healthy kidney filtration.
Frequently asked questions
- What is a normal Albumin (Urine) level?
- A typical reference range for Albumin (Urine) is 0–20 mg/L (source: ABIM). Reference ranges vary by laboratory, age, and sex, so always compare against the range on your own lab report.
- What units is Albumin (Urine) measured in?
- Albumin (Urine) is most commonly reported in mg/L. Labs in different countries may use other units — you can convert between them with BloodId's blood test unit converter.
- Where do Albumin (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 Albumin (Urine) over time?
- Yes. Upload results from any lab and BloodId charts your Albumin (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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